After age ______ or so, total kilocalorie needs of physically inactive adults fall steadily throughout adulthood.

1 answer:

8 0

After age 30, total calorie needs of physically inactive adults fall steadily throughout adulthood due to a decrease in basal metabolism. Basal metabolism may be influenced by a number of factors such as age, basal metabolism generally decreases with age and with the decrease in lean body mass. Increasing muscle mass on the other hand through exercise has the effect of increasing basal metabolic rate.

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How does the respiratory center in the brain control breathing rate?

BaLLatris [955]

The medulla oblongata detects the levels of oxygen and carbon dioxide concentrations and signals the muscles in the heart, the lungs and diaphragm to increase or decrease thebreathing. The pons controls the speed of inhalation and exhalation orrespiration rate depending on the need of the body.

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Martha is telling her teacher how an animal cell is like a house. Which part of the animal cell is like the doors and windows in

Alisiya [41]

Answer:

cell membrane is like doors and windows!!

Hope this helps!

Explanation:

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3 years ago

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What encourages flooding by allowing water to run off into streams?

expeople1 [14]

Deforestation encourages flooding by allowing water to run off into streams

<u>Explanation</u>:

Deforestation plays vital roles in the flooding. The roots of the Trees prevent sediment runoffs and forests hold more water than farms or grasslands.Firstly the leaves in the trees will capture some amounts of water which will be eventually evaporated. Secondly, some quantity of water is absorbed by the tree's roots. Also,Tree roots hold the soil in place, reducing the movement of sediment that can shrink river channels downstream..

The process of deforestation will lead to dislodging of the topsoil. this makes the topsoil unstable and reduces its capacity to hold down the water

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4 years ago

Which layers most likely have a pressure, represented in units of GPa, ranging from 75 GPa to 110 GPa? Check all that apply. Out

lara [203]

<h3><u>Answer;</u></h3>

Lithosphere

<h3><u>Explanation</u>;</h3>

Lithosphere is the solid outer part of the earth which includes the brittle upper portion of the crust and the mantle. It is bounded by the asthenosphere below and the atmosphere above.
<em><u>The pressure in the lithosphere is about 109 gigapascals or GPa. </u></em>
<em><u>Asthenosphere has a pressure of about 18 GPa</u></em>
<em><u>The mantle is a layer between the outer core and the crust, it has a pressure of about 149 GPa.</u></em>

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3 years ago

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Can anyone help me please?

Lana71 [14]

Answer:

I think the answer is 2 or 1

Explanation:

(so sorry if im wrong)

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3 years ago