A physical change occurs when:____.
a. propane is burned for heat iron rusts.
b. glucose is converted into energy within your cells.
c. sugar is disolved in water

Answer: france

Explanation:

france

The hypothalamus regulates the activity of the pituitary gland by both neural and hormonal pathways.

The pituitary gland's functioning is one of the many biological processes that the hypothalamus, a part of the brain, controls. Through both neural and hormonal pathways, the hypothalamus communicates with the pituitary gland to control the release of hormones that have an impact on various body organs and tissues.

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Medical evacuation for pregnant servicewomen will be directed by the appropriate medical authority or a commander at a higher level if the pregnant women is in military.

Thus, the decision to authorize medical evacuation will depend on the pregnant servicewomen medical needs and the medical facilities available in the local area. If there is a medical emergency, medical evacuation may authorize to transport the pregnant women to a location where medical facility is available.

However, medical evacuation for a pregnant servicewoman depends on case-by-case basis. The safety of the pregnant woman would be the top priority while taking any decision regarding evacuation to ensure the safety and well-being of her unborn child.

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Answer:

Galileo performed a famous experiment where he used a ball rolling on a ramp (inclined plane) to study the motion of objects under the influence of gravity. The ramp allowed him to make more precise measurements because the ball moved more slowly along the ramp than if it were simply dropped. Galileo discovered through this experiment that the objects fell with the same acceleration, proving his prediction true, while at the same time disproving Aristotle's theory of gravity (which states that objects fall at speed proportional to their mass). Galileo's conclusion from this thought experiment was that no force is needed to keep an object moving with constant velocity. Newton took this as his first law of motion. One result of the experiment surprised Galileo, and one surprises us. Galileo found that the heavy ball hit the ground first, but only by a little bit. Except for a small difference caused by air resistance, both balls reached nearly the same speed. And that surprised him. According to history, Galileo’s experiment on falling bodies largely contributed to Isaac Newton’s Law of Gravity. In Galileo’s experiment, he is said to have dropped balls from the Leaning Tower of Pisa. The balls were made of the same material but had different masses. Galileo set out to prove that the time it took for these objects to reach the ground would be the same. Galileo proved that objects reached the ground at the same time

Explanation:

I think this is right & I hope this helped

The TCA cycle (tricarboxylic acid cycle), also known as the Krebs cycle or the citric acid cycle, is a process in which acetyl-CoA is oxidized to CO2 and H2O, generating ATP and reducing agents. In this cycle, carbon enters as acetyl-CoA and exits as CO2 with metabolic energy captured as NADH, FADH2, and GTP.

There are several steps involved in the TCA cycle.

1. Acetyl-CoA is produced from the breakdown of glucose or fatty acids. The acetyl group is joined to CoA to form acetyl-CoA, which then enters the TCA cycle.

2. The acetyl group is combined with oxaloacetate (OAA) to form citrate, which is then converted to isocitrate through a dehydration and rehydration process.

3. Isocitrate is then oxidized to alpha-ketoglutarate by isocitrate dehydrogenase, producing NADH.

4. Alpha-ketoglutarate is then oxidized to succinyl-CoA by alpha-ketoglutarate dehydrogenase, producing NADH and CO2.

5. Succinyl-CoA is then converted to succinate by succinyl-CoA synthetase, generating GTP.

6. Succinate is then oxidized to fumarate by succinate dehydrogenase, producing FADH2.

7. Fumarate is then converted to malate by fumarase.

8. Malate is then oxidized to oxaloacetate by malate dehydrogenase, producing NADH.

Finally, the oxaloacetate is ready to start the cycle again.

The TCA cycle is an important process for energy production in cells and is a crucial part of cellular respiration.

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Answer:

J) Providing information to form proteins

Explanation:

Messenger RNA (mRNA) is the molecule that links genes to proteins. Efficient and smooth interactions of the molecules of life allow us humans to function well. ... This process is called gene expression.

Answer: Non-falsifiable hypotheses: Hypotheses that are inherently impossible to falsify, either because of technical limitations or because of subjectivity. E.g. "Chocolate is always better than vanilla." [subjective].

A statement, hypothesis, or theory has falsifiability if it can be proven false by contradicting it with a basic statement or observation.

Hope this helps....... Stay safe and have a Merry Christmas!!!!!!!!!!!!!! :D

Explanation:

Answer:

A hypothesis is hard to be considered "falsified" because it is based on the knowledge that you have and you are making a presumption based on a set of data and then working to prove and backup the hypothesis which could potentially be wrong but isn't falisfied as it is your own conclusion an not a statement    

Answer:

the digestive system

Explanation:

good luck with the rest of your quiz!

Lamarck was one of the first to recognise that organisms are adapted to their environments and to create scientific concepts of evolution.

It is accurate to believe in Lamarck's theories on evolution and how an organism's features are related to its environment. False is Lamarck's claim that acquired traits can be passed down through the family.

Modern science has taught us that, in the vast majority of circumstances, this form of inheritance evolution cannot take place. All of the observations made concerning Earthly life have been incompatible with Lamarck's idea. For instance, according to his theory, simple species would vanish and all organisms would eventually become complexevolution.

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Answer:

The window period for an HIV test refers to the time between HIV exposure and when a test can detect HIV in your body.

Explanation:

I hope it helps:)

Answer:

one of them would be ferns

The most significant limitation that Carl Schurz's work has as a resource for a historian is that he wrote his account about fifty years after the events occurred.

Carl Christian Schurz was an American statesman, author, and reformer. He immigrated to the United States after the German Revolution of 1848 and quickly rose to prominence within the newly formed Republican Party. He wrote a number of works, such as his Reminiscences (1907–09), a volume of talks, and a two-volume biography of Henry Clay (1887). According to the inquiry, his work is limited by the time interval between the actual incident and the time he ultimately wrote it down.

Because a good eyewitness account necessitates documenting events as they happen, this was a significant limitation. The narratives of occurrences are typically more accurate and in-depth when they are recorded according to how they occur.

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The ecological model is divided into various compartments, including those for soil, atmosphere, living things, and debris.

An ecological model is a representation of the general model of nutrient cycling in an ecosystem using boxes and arrows. The compartments are connected by arrows that represent the movement of nutrients.

According to this theory, nutrients travel from the atmosphere to the soil and are then assimilated by living things. Organic material from dead or excreting creatures is transformed into detritus, which bacteria break down to reintroduce nutrients into the soil. Additionally, some nutrients may be lost to the atmosphere as a result of evaporation and volatilization.

The flow of nutrients in an ecological model can be depicted as:

Atmosphere > soil> living organisms> detritus> soil >atmosphere.

Overall, this model emphasises how crucial nutrient cycling is to maintaining the productivity and health of natural systems.

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Answer:

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Your bronchioles are some of the smallest airways in your lungs. Inhaled air passes through tiny ducts from the bronchioles into elastic air sacs (alveoli). The alveoli are surrounded by the alveolar-capillary membrane, which normally prevents liquid in the capillaries from entering the air sacs.

Answer:

acceleration

Explanation:

velocity doesn't make sense and speed is how fast not how fast you take off. hope this was helpful

The structure of DNA determines the structure of proteins because proteins are made by the central dogma process where DNA is the initial component.

In the process of the central dogma, transcription is the process through which the DNA is transcribed into the mRNA. Through the information in the mRNA, proteins are produced by the translation process.

Hence, the structure of proteins as well its function etc are all determined by the DNA whose information is transcribed and translated for the formation of that particular protein.

Each protein formed from the transcription and translation of DNA has a specialized function to perform.

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Answer:

Cellular Organization and Growth & Development

Explanation:

The fact that a human is initially defined by "a single cell" and later defined as "trillions of cells" demonstrates that all living things are made up of an organization of cells as cells are the building blocks of all life. The contrast of the single cell with the trillions shows the growth and development from the beginning of life to the fully developed form of an adult human.

Answer:

if his mass is 100 Kg his weight would be 100 Kg on earth (or anytime gravity=9.8 m/s^2

Answer: Plants are almost exclusively autotrophic, meaning they produce their own "food". Photosynthesis is the process by which they produce their food.

So Photosynthesis produces food and also the need reactants for cellular respiration.

Answer:

tall

Explanation:

This question illustrates a single gene coding for height. According to the question, allele "H" coding for tallness is dominant over allele "h" coding for shortness. This means that tall trait will be expressed over short trait in a heterozygous state.

In a cross between a parents that produce gametes H and H, and h and h respectively, the parent's genotypes are HH and hh.

HH- truebreeding tall parent

hh- truebreeding short parent

After using the punnet square, all the offsprings will have a Hh genotype, which based on dominance will exhibit the tall trait as phenotype. The offsprings with genotype Hh are phenotypically tall because the tall trait is dominant over the short trait in a heterozygous condition (Hh).

Answer:

tall

Explanation:

Statement 4 is not true. Amino acids do not link together to form nucleic acids.

Nucleic acids, specifically DNA and RNA, are composed of nucleotides, which consist of a nitrogenous base, a sugar molecule, and a phosphate group.

Amino acids, on the other hand, are the building blocks of proteins. They are linked together by peptide bonds to form polypeptide chains, which then fold into functional proteins.

Proteins play a vital role in various cellular processes and are involved in functions such as enzyme catalysis, structural support, and cell signaling. Nucleic acids, on the other hand, store and transmit genetic information and are involved in protein synthesis through the coding of genes.

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Answer:

The two primary vascular tissues are xylem, which transports water and dissolved minerals from the roots to the leaves, and phloem, which conducts food from the leaves to all parts of the plant.

Answer:

compulsory Vaccination is the health policy a government adopts in relation to vaccination .

Answer:

The insertion of an extra nucleotide into a DNA strand

Explanation:

The phenomenon called as gene mutation. The insertion will cause nonsense mutation which results in producing stop codon that will cause the polypeptide chain become shorter.

Fat is a major source of energy in breast milk, and it contributes approximately half of the total calories or energy content of breast milk.

Breast milk is a complex and dynamic fluid that provides optimal nutrition for infants, and the composition of breast milk changes over time to meet the changing needs of the growing infant. Fat in breast milk serves as an important source of calories to support the energy needs of the developing infant, and it also provides essential fatty acids that are important for brain and nervous system development, as well as other critical functions in the body. The fat content of breast milk can vary among individuals and over the course of breastfeeding, and it is influenced by various factors such as maternal diet, maternal health, and stage of lactation.

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Answer: igu bro, ok first u add my bbrother to class and then u subrtarct the ugly kids and you omneof them so dieeeee

Explanation:

The value of actual machine advantage (MA) is 2, velocity ration (VR) is 2.5 and efficiency η is 80%.

Calculation:

It is given that the radius of the wheel is 50 cm, radius of axle is 20 cm, load is 2000 N and effort is 1000 N.

Let, R = 50 cm

r = 20 cm

L=  2000 N

E = 1000 N

We have to calculate actual machine advantage, velocity ratio and efficiency.

We know that,

       MA=L/E

             =2000/1000

              =2

        VR=R/r

             =50/20

             =2.5

         η=(MA/VR)*100

           =(2/2.5)*100

           =(0.8)*100

           =80%

Since your question is incomplete, your complete question might be

"In a wheel and axel, the radius of the wheel is 50cm and that of the axel is 20 cm. If a load is 2000n is lifted by applying an effort of 1000n,calculate ma, vr and η."

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ater pollutants can be classified as organic pollutants, inorganic pollutants, pathogens, suspended solids, nutrients and agriculture pollutants, thermal, radioactive, and other pollutants.

Answer:

1- Heat -- B. Physical agent

2- Parasitic worm -- F. Pathogen

3- Animal feces -- D. Organic matter

4- Household cleaners (drain-O and bleach) -- E. Organic chemical

5- Light fluid -- D. Organic matter

6- Arsenic -- C. Heavy metal