Which statement describes one of Wegener’s ideas that contributed to the theory of continental drift?
The continents drifted apart due to repeated meteor impacts.
The continents were once connected as one landmass.
The continents have moved apart very quickly due to earthquakes.
The continents are magnetically pulled toward or pushed away from one another.
Answers
Answer:
Option B
The continents were once connected as one landmass.
Explanation:
The theory of continental drift suggests that all the continents on the planet were once connected, forming a supercontinent. However, over time they drifted apart as a result of some internal forces of the earth.
The most appropriate option that shows this is option B: The continents were once connected as one landmass.
This statement describes one of Alfred Wegener's ideas that suggests that a very long time ago, the continents were once connected in a landlocked mass. The fact that the continents are separated now shows that the continents are continuously shifting position on the earth's surface.
Answer:b
Explanation:
Related Questions
What are the scientific goals for the Mars Science Laboratory?
1.what kinds of technology to use for landing, what kind of instruments to use on the rover, how to power the rover, and how to control the Mars Science Laboratory
2.correcting the packaging of the MSL mission components that has been the essential technology of all space missions
3.what kinds of technology to use for landing, what kind of instruments to use on the rover, how to power the rover and how to control the Mars Science Laboratory
completing the technology design process and constructing an MSL prototype that would successfully land on Mars
4.to determine if Mars could have ever supported life, study the climate and geology, gain knowledge for a future manned mission to Mars
HELP ME PLEASE HELP MEEEE
Answers
Answer:
The overall objectives include investigating Mars' habitability, studying its climate and geology, and collecting data for a human mission to Mars.
Which is an example of a mineral being used in everyday life?
Coal is used for heating
Sand is used for construction
Lumber is used to build shelters
All of the above
Answers
How many earthworms are found in a 100 square meter lot if its density is 39 worms per square meter? Show all work for credit
Answers
Answer:
3900
Explanation:
100 meters x 39 worms per meter = 3900 worms per square meter :)
So: 39 X 100 = 3900 worms
Biotechnology: Genetic Modification Technologies
How is genome editing being used in agriculture, genetics research, and medicine? What is an advantage of its use in each area?
Answers
1. Agriculture: Genome editing is being used to develop crops that are more resistant to pests and diseases, have a longer shelf life, and are more nutritious. An advantage of using genome editing in agriculture is that it can be a more precise and efficient method of genetic modification compared to traditional breeding methods.
2. Genetics research: Genome editing is being used to study the function of genes and their role in various diseases. It can also be used to create animal models of human diseases, which can be used to test potential treatments. An advantage of using genome editing in genetics research is that it allows scientists to study the effects of specific genetic changes in a controlled environment.
3. Medicine: Genome editing is being used to develop new treatments for genetic diseases, such as sickle cell anemia and cystic fibrosis. It can also be used to modify immune cells to better target cancer cells. An advantage of using genome editing in medicine is that it has the potential to be a more targeted and precise method of treatment, which can lead to fewer side effects and better outcomes for patients.
Genome editing, is being applied across agriculture, genetics research, and medicine.
In agriculture, it allows modification of crop genomes to enhance yield, resistance to pests and diseases, and nutritional content, leading to increased food production and sustainability.
In genetics research, genome editing enables the study of gene function and disease mechanisms, accelerating the development of targeted therapies and advancements in medicines. In medicine, it offers the cure of genetic disorders by modifying disease-causing genes, previously untreatable conditions.
The advantage lies in improved crop productivity and sustainability in agriculture, accelerated genetic discoveries in research, and potential cures for genetic diseases, positively impacting global scientific understanding.
learn more about genetic modification :
https://brainly.com/question/18378688
(Which is the independent or dependent variable) You are walking directly away from your house. You are 555 kilometers away from your house when you start walking, so you can determine your distance from your house by adding 555 to the number have walked.
Answers
Answer: 666
Explanation:
What type of catastrophic event is likely to occur in the Gulf Coast ecoregion?
Answers:
Drought
Wildfire
Hurricane
Landslide
Answers
storm surge at high tide with additional effects from strong waves
The theory of evolution has changed over time. Initially, Lamarck believed that organisms developed traits in response to a changing environment to improve their chances of survival. Later Darwin proposed that organisms that already possessed traits suitable to a changing environment were more likely to survive and reproduce.
Which of the following does not explain why the theory of evolution has changed?
A. Lamarck’s theory was discarded when new scientific information became available.
B. Darwin collected empirical evidence to support that organisms with favorable traits survived and reproduced.
C. The theory of evolution became a scientific law after much debate and confirmation in the scientific community.
D. Other scientists such as Peter and Rosemary Grant have collected additional empirical evidence that supports Darwin’s findings.
Answers
I thing is true
25 PTS MIGHT GIVE BRAINLIEST Imagine that you are a grain of pollen on a flower that cross-pollinates
the flower of another plant of the same species. Write a journal
entry in complete sentences describing your journey. Correctly
include each of these terms in your entry: pollinator,
pollen, pistil, stamen, anther, stigma, ovary, and eggs
Answers
Answer:Pollination is the transfer of pollen grains from an anthers to a receptive stigma. In most species of flowering plants, external agents bring about pollination. Also, flowers have evolved special structures and mechanisms to ensure successful pollination.
There are two types of pollination
--> Self pollination: This takes place when mature pollen grains from the anther of a flower fall on the stigma of the same flower or that of another flower on the same plant. This type of pollination brings the male gametes and egg cells of the same plant together. The resultant offspring show very little genetic variation.
--> Cross pollination: This occurs when mature pollen grains of a flower are transferred to the stigma of a flower of another plant of the same or closely related species. This brings the male gametes and egg cells of two different parent plants together. Therefore, there is greater genetic variation among the offspring.
Explanation: i hope this can give you a little push!
Answer:
As a grain of pollen on a flower, I am responsible for cross-pollinating the flower of another plant of the same species. I began my journey on the stamen of one flower, where I picked up the pollen from another. I was carried to the pistil of the next flower and deposited the pollen on the stigma. I then traveled down the style to the ovary, where I fertilized the eggs, commencing the production of the next generation of this flower.
What is the embryo?
A. The roots of the plant
B. The tiny miniature plant
C. The protection for the plant
D. The food the plant will use
Answers
After a bottleneck event, the population of rabbits in an area has significantly decreased. A decade later, the population of the rabbits recovers to its original numbers. Which statement is correct about the rabbits?
They are more likely to survive environmental changes because of the bottleneck event.
They are as likely to survive environmental changes because they survived the bottleneck event.
They are as likely to survive environmental changes because their population has recovered.
They are less likely to survive environmental changes because of the bottleneck event.
Answers
Answer: They are less likely to survive environmental changes because of the bottleneck event.
Explanation: There is a lack of genetic variation because of the bottleneck effect, making it harder for the species to adapt to an environmental change.
Some students observing a classroom device being used noticed the below energy transformations.
energy to mechanical to sound
Which device were the students most likely observing?
A triple beam balance measuring an object’s mass
A pencil sharpener plugged into a wall outlet
A projector displaying a diagram on the screen
A working flashlight used to light up a dark corner
Answers
Look at the diagram of the rock cycle below.
Which part of the cycle is missing?
A.
sedimentation
B.
melting
C.
crystallization
D.
mineral integration
Answers
it’s melting
From the diagram of the rock cycle the missing part is ( B ) ; Melting
Magma is a hot liquid/semi-liquid rock that is usually formed under the earth due to high pressure and temperature present in the inner core of the earth. magma is obtained by the melting down of existing rocks ( Igneous, sedimentary and metamorphic rocks ) under high pressure and temperature in the earths core.
Magma is released to the earth surfaces during volcanoes therefore the missing term in the rock cycle is melting
Hence we can conclude that from the diagram of the rock cycle the missing part is Melting.
Learn more : https://brainly.com/question/23661578
I need more help ASAP it’s just really confusing because I haven’t even learned this yet
Answers
Answer:
All living things can sense and respond to stimuli in their environment. Stimuli might include temperature, light, or gravity. All living things grow and reproduce. Multicellular organisms grow by increasing in cell size and number. Prokaryotes are organisms whose cells lack a nucleus and other organelles. Prokaryotic cells are surrounded by a plasma membrane, but they have no internal membrane-bound organelles within their cytoplasm. Multicellular organisms are larger, more efficient, and have a longer lifespan than unicellular organisms. Multicellular organisms need more resources than unicellular organisms. The cells are specialized and must depend on each other for survival of the organism. Although much smaller, unicellular organisms can perform some of the same complex activities as multicellular organisms. Many unicellular organisms live in extreme environments, such as hot springs, thermal ocean vents, polar ice, and frozen tundra. These unicellular organisms are called extremophiles. Do unicellular organisms have specialized cells? A unicellular organism depends upon just one cell for all of its functions while a multicellular organism has cells specialized to perform different functions that collectively support the organism. I hope this helps explain.
which of the following processes is a way that only humans increase the amount of carbon dioxide entering the atmosphere
A) burning of fossile fuels
B) photosynthesis by producers
C) decomposition by decomposers
D) cellular respiration by consumers
Answers
Answer:
A.) burning of fossile fuels
have a good day :)
List 3 similarities between the typically muscled cow (teacher model) and your heavily muscled model (upload in question 1). Explain why these things would be similar on both models. NO LINKS IF YOU GET THIS RIGHT I WILL GIVE YOU BRAINLEST AND MAYBE 10$
Answers
Answer:
3 similar in a number to reach you at your office is the word of a material by the author and author and the footer to be a part a while ago in a good place and it would be because it you use desmo it would help you because It's hard to read but I hope you have a great day and I look forward to hearing from you
"write me an essay or make a small powerpoint about a company called 4Ocean. They deal with removing plastic waste from oceans. Make the essay about 150 words or the powerpoint about 4 slides. It should include who founded the company, why they founded the company and what successes they have had with the work they do. You need only use their site as reference information." https://www.4ocean.com/
PLSS HELPP
Answers
Match the terms to the definition.
Question 1 options:
The idea of that the Earth and planets orbit the sun. A sun-centered view.
Huge clusters of stars, gas, and dust bound by the force of gravity.
A group of objects that orbit a star.
Jupiter, Saturn, Uranus, Neptune. Gas giants.
The spinning of a planet on its axis, causing day and night.
The orbit of a planet around the sun. On Earth, one year.
Mercury, Venus, Earth, Mars. Terrestrial, rocky.
A force of attraction that keeps planets orbiting the sun.
A rock that has entered Earth's atmosphere, leaving a streak of light in the night sky.
The theory the universe came forth from a single spot in an enormous explosion.
1.
Big Bang
2.
Doppler Effect
3.
Nebula
4.
Solar System
5.
Geocentric theory
6.
Heliocentric theory
7.
Gravity
8.
Galaxy
9.
Rotation
10.
Revolution
11.
Inner planets
12.
Outer planets
13.
Meteor
14.
Meteorite
15.
Meteoroid
Answers
1. Big Bang:- The theory the universe came forth from a single spot in an enormous explosion.
3. Nebula:- Huge clusters of stars, gas, and dust bound by the force of gravity.
4. Solar System:- A group of objects that orbit a star (Sun)
6. Heliocentric theory:- The idea that the Earth and planets orbit the sun. A sun-centered view.
7. Gravity:- A force of attraction that keeps planets orbiting the sun.
8. Galaxy:- Huge clusters of stars, gas, and dust bound by the force of gravity.
9. Rotation:- The spinning of a planet on its axis, causing day and night.
10. Revolution:- The orbit of a planet around the sun. On Earth, one year.
11. Inner planets:- Mercury, Venus, Earth, Mars. Terrestrial, rocky.
12. Outer planets:- Jupiter, Saturn, Uranus, Neptune. Gas giants.
13. Meteor:- A rock that has entered Earth's atmosphere, leaving a streak of light in the night sky.
For further information on such terms nad definitions,
https://brainly.in/question/1185001
The solar system consists of many planets, moons, stars, asteroids, comets, and meteoroids, which itself is a part of the milky way galaxy. Beyond this are millions of galaxies that constitute the universe.
Big Bang is the theory the universe came forth from a single spot in an enormous explosion. Solar System is a group of objects that orbit a star. The heliocentric theory is the idea that the Earth and planets orbit the sun, a sun-centered view. Gravity is a force of attraction that keeps planets orbiting the sun.
Galaxy is a huge cluster of stars, gas, and dust bound by the force of gravity. Rotation is the spinning of a planet on its axis, causing day and night. Revolution is the orbit of a planet around the sun. On Earth, one year. The inner planets are Mercury, Venus, Earth, and Mars. Terrestrial and rocky. Outer planets are Jupiter, Saturn, Uranus, Neptune, and Gas giants.
Meteor is a rock that has entered Earth's atmosphere, leaving a streak of light in the night sky.
Learn more about the Universe:
https://brainly.com/question/805395
ASAP PLZZZ HELP NO LINKS 15 POINTS
Answers
Double-muscled cattle are those that have been genetically altered to reduce the activity of myostatin. This protein limits muscle growth and causes animals to have higher numbers of muscle fibers. These animals also tend to have lower body fat content.
HELPPPPPPPPPPP PLEASEEEEEEEEEE
Answers
Answer: D
Explanation:
Select all that are examples of climate change that is currently happening on Earth.
increased snow in Redmond
Global Warming
Longer nights
Sea level rise
Less gravity
Droughts
Sea freezing
Answers
Answer:
b, d, f
Explanation:
does go through cell cycle in
mitosis, meiosis, or both
Answers
Three Anacharis plants were placed inside inverted test tubes filled with water. One test tube was exposed to low light, another to medium light while another was exposed to high light. The table provided shows the results of this experiment. Notice that more oxygen was produced by the Anacharis in high light.
Based on the information provided, what is the difference in volume (in mL) of oxygen produced between the low light and high light plants after 45 minutes? Record your answer below
Answer value
Answers
Answer:
Anacharis in High Light produces more mLof oxygen per min than Anacharis in Low Light Anacharis and in Medium Light.
Explanation:
The increased light intensity also increases the rate of photosynthetic activity. As photosynthesis occurs, the energy from sunlight, along with CO2 is converted to chemical energy in the form of glucose.
6CO2 + 6H20 + (energy) → C6H12O6 + 6O2
or Carbon dioxide + water = energy (glucose) + oxygen
Photosynthesizing cells in green plants produce oxygen as a waste product. As this process is rate-limited, certain factors may increase the reaction rate. These include:
carbon dioxide concentration
water availability
ambient temperature
light intensity;
Look at the Punnett Square. What is the phenotype ratio for the offspring of these parents?
Answer choices:
3 purple fur: 1 white fur
1 purple fur: 3 white fur
2 purple fur: 2 white fur
Answers
Answer:
3 purple fur 1 white fur
the uppercase H is purple fur and is a dom the lower case h is white fur the H doms in 3 of the cubes while h doms in only 1
Because in three out of four genotype there will be a dominant gene (H) therefore 3 will have purple fur and 1 will have white fur.
Describe how the organization of a multicellular organism (eukaryotic) helps it function: (Hint; think of the order of cells to systems)
Answers
The production of oxygen from a reactant in a chemical reaction is shown in the graph below.
The graph shows the volume of oxygen produced as a function of the amount of reactant consumed. If the trend continues, how much oxygen will be produced when 25 g of the reactant is consumed?
A. 3.0 ml
B. 4.0 ml
C. 5.0 ml
D. 1.5 ml
Answers
Answer:
it’s C ; 5.0ml
Explanation: because it just is . it’s a pattern it basically . all you have to do is go right from the original red dot and than up one . I hope I explained it right .
I need help with this
Answers
Answer:
Flouring having a negative ion
Answer: fluorine having one extra electron
Explanation:
I did this question before
Quite confused can anyone help?
Answers
Answer: A dichotomous key is an important scientific tool, used to identify different organisms, based the organism's observable traits
Explanation:
Which of these organisms is not a chordate?
earthworm
snake
sea squirt
human
Answers
hope this helped.
A group of wolves is led by a male wolf and a female wolf. The two wolves lead the hunting and get to eat the captured prey first. They are the only wolves in the group who have pups. The other members of the group help to feed and care for the pups. The group works together to stop other wolves from entering the area where they live.
Identify the social structure and describe the social behaviors of the wolves. Explain how these behaviors help the wolves survive.
Answers
Answer:
Alpha
- responsible for making decisions
- the best in terms of managing the pack
Beta
- next best candidate for alpha
- advisor to alpha
- reinforces the alpha's commands
Delta
- protects the pack
- aids in hunting
Omega
- responsible for watching boundaries of the territory
- social glue
- scapegoat
Select the 4 examples of physical weathering from the list below.
A) The color of a rock changes over time as it is exposed to air and water.
B) The top of a mountain becomes rounded over tens of thousands of years.
C) A sidewalk is broken by the roots of the tree below it.
D) A cave is created by limestone dissolving in water.
E) Water freezes in a crack in a rock causing the rock to split in two.
F) Small rocks on a beach tumble against each other as the tides move in and out.
If I get it right I'll mark you brainliest, I originally selected ABEF but got 6.667/10
Answers
Answer:
A, C, D, E
Explanation:
A: A rock being shaped by water and air are both examples of physical weathering, so it is one answer.
C: Roots of trees or plants affecting rocks is another example of physical weathering, so it is another answer.
D: Water is shaping the limestone to make a cave, so it is physical weathering.
E: Water freezing in cracks of rocks can, over time, definitely crack the rock into several pieces or two. So this is the last answer and example of physical weathering.
I hope it helped! ;)
Answer:
b c e f
Explanation:
these are physical ı think