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Hoochie [10]
3 years ago
13

Which statement best describes the crust?

Biology
1 answer:
Luba_88 [7]3 years ago
3 0

Answer:

a

Explanation:

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20. Summarize each of Newton’s three Laws.
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Answer:

An object in motion stays in motion unless an external force acts on it.

Explanation:

Newton's first law, the law of inertia, states that an object will remain at rest or in motion unless acted upon by another force.

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Which of the following populations would be least likely to survive a change in its ecosystem? A. brown bears that can eat a var
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B. defiantly b. because it can survive in most climates.
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Charles Darwin is best know for his work on:
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Charles Darwin is best know for Natural selection

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In babies born prematurely, pulmonary surfactant may not be present in adequate amounts ______. in babies born prematurely, pulm
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Pulmonary  surfactant is a mixture of lipids and proteins which is secreted into the alveolar space by epithelial type II cells. The main function of the surfactant is to lower the surface tension at the ir/liquid interface within the alveoli of the lung. In babies born prematurely, pulmonary surfactant may not be present in adequate amounts due to insufficient exocytosis in type II alveolar cells. 
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During childbirth, the head of the baby pushes against the mother's cervix. A nerve impulse is transmitted to the brain which ca
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Answer:a positive feedback

Explanation: positive feedback is a type of feedback mechanism employed by the body,in which an output is enhanced or acclerated.

In contrast to negative feedback where the body regulates it's internal conditions by reducing the effect of a stimuli,In positive feedback ,the body enhances the effect of the stimuli.

It is not common as negative feedback in homeostasis.

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Another example is the accumulation of blood platelet , in the site of blood vessels injury to

cause blood clotting.

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