People in which environmental career category are directly involved in designing structures that aid humans to function in nature, such as dams and drainage systems?


Environmental planner

Environmental engineer

Forest technician

Environmental chemist

Answer: A

Explanation:

Reproductive cells are haploid, meaning that there's only one copy of each chromosome. Somatic cells are diploid so there's 2 copies of each chromosomes.

if n = 18, then 2n = 36 so A is the answer

If an organism has 18 chromosomes in its reproductive cells, then the organism will have 17 autosomal homologous pairs in its somatic cell.

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Answer:

In a darker background, natural selection favors the darker birds.

Same goes for a ligter background

Explanation:

There is pressure in a population to look the same, because if you are white in a flock of regular pigeons, you will be targeted by predators, mainly Peregrine Falcons. However, in a city environment, it my benefit you (the pigeon) to be a different color, as more people will feed you. However, due to the release/escape of domestic pigeons, new colors that would not have appeared in the wild population are there.

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The structure that allows lycophytes to grow bigger than mosses and liverworts is xylem and phloem which is option B

Lycophytes are spore bearing vascular plants. Being a vascular plant, they possess vessels ( vascular tissues) which include:

The possession of the vessels makes the lycophytes appear bigger.

Mosses and liverworts belongs to the plant phylum Bryophyta. They do not have any vascular tissues that can be used to conduct water and food. This restricts their size.

Therefore, the structure that allows lycophytes to grow bigger than mosses and liverworts is xylem and phloem

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Answer:

xylem and phloem

Explanation:

Lycophytes have specialized tissue that transports nutrients and provides structural support.

The given wet-bulb depression of 6°C, the approximate dew point temperature would be around 6°C.  Option B

You must compute the wet-bulb depression, which is the difference between the dry-bulb temperature and the wet-bulb temperature, in order to estimate the approximate dew point temperature.

Dry-bulb temperature = Wet-bulb depression - Temperature of a wet bulb

Wet-bulb depression in this instance equals 14°C - 8°C = 6°C.

The temperature differential brought on by moisture evaporating from the wet-bulb thermometer is represented by the wet-bulb depression. You can determine the dew point temperature by comparing this number to a table or chart that uses psychrometric measurements.

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The statement, about the most abundant and geographically distributed group of macroscopic marine algae belonging to the division rhodophyta. Is true.

They are found in all oceans and seas, in both shallow and deep waters, and in both tropical and temperate regions. This is due to their ability to grow in a wide range of temperatures and salinities, as well as their high tolerance to light and nutrient availability.

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The first branch of the evolutionary tree is believed to be the separation between prokaryotes (organisms lacking a cell nucleus) and eukaryotes (organisms with a cell nucleus).

The evolutionary tree, also known as the tree of life or phylogenetic tree, represents the evolutionary relationships between all living organisms on Earth. It illustrates the diversification of life over time, showing how different species are related to one another through common ancestors.

1. The first step in understanding the first branch of the evolutionary tree is to recognize that all life on Earth can be classified into three main domains: Bacteria, Archaea, and Eukarya.

2. Among these domains, Bacteria and Archaea are considered prokaryotes, which are single-celled organisms lacking a membrane-bound nucleus. They are believed to have diverged from a common ancestor.

3. Eukarya, on the other hand, comprises organisms with eukaryotic cells, which possess a nucleus surrounded by a membrane. This domain includes all complex organisms such as plants, animals, fungi, and protists.

4. The separation between prokaryotes and eukaryotes is considered the first major branch in the evolutionary tree. It represents a fundamental divergence in cellular structure and complexity.

5. While the exact details and timing of this divergence are still the subject of scientific investigation, it is generally believed to have occurred billions of years ago, early in the history of life on Earth.

6. This initial split paved the way for the subsequent diversification of life, leading to the vast array of species and ecosystems we observe today.

7. It is important to note that the evolutionary tree is a constantly evolving representation of our understanding of the relationships between organisms. New discoveries and advances in scientific knowledge may lead to revisions and refinements of the tree over time.

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Answer:

water

Explanation:

this is because when you take in water it helps in regulating the body's temperature hence pass out as urine

Answer:

erosion can shape the land , for example the Grand Canyon

Answer:

When an organism has two of the same alleles for a gene, that allele is always dominant.

Explanation:

. When an organism has two different alleles of the same gene, one of the genes will be expressed and the other will be hidden

For each of the given items, the independent and dependent variables, as well as constants are those variables that produce a change in another, the variable that depends on another to change, and that which does not change respectively.

In a scientific experiment, an independent variable is a variable that is altered or controlled to see how it affects the dependent variable. In a scientific experiment, the variable under test and being measured is known as the dependent variable.

A constant in an experiment does not vary but remains unchanged at the end of the experiment.

Considering the given items, the independent and dependent variables, as well as the constants are as follows:

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Answer: Energy is produced by respiration because its stored within the cells in the form of ATP (Adenosine Triphosphate) .

Explanation:

I'm pretty sure that's it.

- Sorry if I'm wrong :<

Answer:

In CONVECTION, heat energy is carried by the movement of particles of matter. In CONDUCTION, heat is transferred by particles vibrating. In RADIATION, heat is carried directly by electromagnetic waves. When a hot object touches a cool object, heat moves from the hot one to the cool one.

Explanation:

Movement of heat by a fluid such as air is carried out by convection and through electromagnetic via radiation.

Heat is transferred by a fluid, such as water or air, by convection. As the fluid (liquid or gas) flows from one place to another, it also transfers heat. A current is the term used to describe the flow of heated water or air. 

Radiation occurs when heat transfers directly from one source to another object as infrared energy waves. This is how the Sun's heat reaches Earth. In actuality, all heated objects emit heat toward colder objects. The molecules of the colder item accelerate as the heat waves impact them. The thing becomes hotter as its molecules move more quickly.

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Among the answer options mentioned in the picture, we can say that those human activities that have changed Earth's land, ocean, and atmosphere are the reduction of the amount of forest cover, reducing the amount and variety of chemicals released into the environment, and also the intensive farming. So the statements that better describe the situation, are all but the two last ones: the first one, the second one, the third one, and the fourth one.

Answer:

replication fork

Explanation:

The deoxyribonucleic acid (DNA) is a double-stranded helix composed of two long chains of nucleotides. The replication fork is a Y-shaped structure by which both DNA strands are separated in order to be replicated during cell division. In a cell, DNA replication starts at specific sites in the genome referred to as 'origins of replication'. A replication fork is generated by helicase enzymes that unwind and separate the DNA double helix strands by interrupting hydrogen bonds that hold the two DNA strands together. These DNA strands act as templates for the leading and lagging DNA strands. During DNA replication, the leading strand is synthesized continuously in the same direction as the replication fork, while the lagging DNA strand is synthesized in a direction away from the replication fork, in small pieces of DNA called Okazaki fragments.

Answer:

I want to help moms and babies during pregnancy, labor, and the postpartum period using my education and talents.

I started out in a nursing program, but I soon realized that my interests and skill set were far better suited to the discipline of midwifery.

Midwives use their knowledge, abilities, and professional conduct to help the mother and her unborn child in a competent manner. The health of mothers and babies is enhanced and protected by midwives. In turn, this improves and safeguards society's health and well-being.

A midwife is a medical worker who has received training in how to help and care for people during pregnancy, labor, and delivery. Your health during pregnancy is supported by midwives.

Midwives are the primary healthcare providers who assist you during a natural birth if difficulties don't emerge.

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Answer:

mammal

Explanation:

Answer:

mammal

Explanation:

The dew point if the dry bulb temperature is 20°C and the relative humidity is 17 % is 1.6°C.

Dew point is the temperature at which air becomes saturated with water vapor and begins to condense. The dew point is a significant meteorological parameter that represents the measure of atmospheric humidity. The dew point is a critical component in calculating relative humidity and heat index.

It also plays a crucial role in predicting the possibility of dew, frost, and fog. Given the dry bulb temperature of 20 C and the relative humidity of 17%, we can calculate the dew point as follows:First, find the saturation vapor pressure using the equation:Es = 6.11 × 10(7.5T / (237.7 + T))where T is the temperature in degrees Celsius.So, Es = 6.11 × 10(7.5 × 20 / (237.7 + 20)) = 23.48 mmHg.

Next, find the actual vapor pressure using the formula: E = RH/100 × E_s where RH is the relative humidity as a percentage. So, E = 17/100 × 23.48 = 3.99 mmHg. Finally, we can calculate the dew point using the formula: Td = (237.7 × log10(E/6.11)) / (7.5 - log10(E/6.11))Td = (237.7 × log10(3.99/6.11)) / (7.5 - log10(3.99/6.11)) = 1.6°C. Therefore, the dew point is 1.6°C.

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To answer this question first we need to pass the DNA sequence to RNA

Original sequence:

CCC GAT CGG AGG AGT

Obtaining RNA

CCC GAT CGG AGG AGT

GGG CUA GCC UCC UCA

Coding to amino acids

GGG CUA GCC UCC UCA

Gly Leu Ala Ser Ser

Coding amino acids to one letter code

Gly Leu Ala Ser Ser

G L A S S

Answer:

carbondioxide last in about 300 to a 1000 years in the atmosphere

Answer:

In the 1960s, China's large population was growing so rapidly that there was a serious threat of mass starvation.

• The government established the world's strictest family planning and birth control program, promoting one-child families and provides contraceptives, sterilizations, and abortions for married couples.

• Married couples pledging to have no more than one child receive a number of benefits including better housing, more food, free health care, salary bonuses, and preferential job opportunities for their child.

• Between 1972 and 2011, the country cut its birth rate in half and trimmed the average number of children born to its women from 5.7 to 1

Explanation:

Answer:

Due to its effectiveness.

Explanation:

This drug still be successfully used in the treatment of this microbe because of its effectiveness on the microbes. All the microbes did not got resistance against the antimicrobial chemical and they are not full proof from the antibiotics so that's why the antimicrobial are used in the treatment of microbes. If all the microbes attain resistance against antimicrobial drug so it can't any affect on the microbes.

If the mass of the bacteria triples every day then 1. The mass of bacteria in the culture changes by 300 percent every day and 2. the mass of the bacteria in the culture 2 days after the start of the experiment is calculated to be 207 mg

1. The percentage of the mass of bacteria that changes every day can be calculated as follows;

Since the mass of the 23 mg bacteria triples every day, therefore, the mass the next day will be;

23 × 3 = 69 mg

Now the percent change of the mass can be calculated as follows;

percent change = (final mass / initial mass) × 100

percent change = (69 / 23) × 100

percent change = 3 × 100

percent change = 300%

2. The mass of the bacteria in the culture 2 days after the start of the experiment can be calculated as follows;

Mass of bacteria after 1 day = mass × percentage mass = 23 × (300/100) = 69 mg

Mass of bacteria after 2 days = 69 × (300/100) = 207 mg

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Answer:

a

Explanation:

As arizona poppy plant carries out photosynthesis, Glucose is created using carbon dioxide. The Arizona poppy is a plant indigenous to the American Southwest.

Photosynthesis is a process that plants and other organisms used to convert light energy into chemical energy that can then be released to fuel the organism's activities via cellular respiration.

Plants absorb carbon dioxide (CO2) and water (H2O) from the air and soil during photosynthesis. Water is oxidized within the plant cell, which means it loses electrons, whereas carbon dioxide is reduced, which means it gains electrons. This converts water to oxygen and carbon dioxide to glucose.

Photosynthesis is the process by which carbon dioxide and water are converted into oxygen and glucose. The plant consumes glucose as food and produces oxygen as a byproduct. Cellular respiration is the process by which oxygen and glucose are converted into water and carbon dioxide.

Thus, As arizona poppy plant carries out photosynthesis, Glucose is created using carbon dioxide.

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To categorize practical activities means grouping or gathering together base on shared characteristics.

Alongside traditional methods of instruction lies the enduring value of practical activities—an essential way for students to gain hands-on experience in numerous subject areas spanning math to science to social studies to language arts. Such immersive learning can deepen student understanding of key concepts while simultaneously honing invaluable skills that advance problem-solving capabilities and critical thinking aptitudes alike.

There are many reasons to classify practical activities: from making it easier to choose appropriate assignments for certain groups of students, to pinpointing those which achieve particular learning outcomes, and even tracing student development over time.

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As we know a homologous character implies a shared ancestry, the function not necessarily is shared however the origin is shared, therefore we can say that a classic example of homology are bat wings.

Natural causes are varied in the case of deforestation, from the available options we have natural catastrophes, and plagues, the other is climate change, this point can be ambiguous, as climate change is exacerbated by human causes, so there is debate about if it is a natural cause or human-induced, nonetheless, we can say in general is correct.