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valkas [14]
2 years ago
11

Which of the following substances could pass through the cell membrane

Biology
1 answer:
Marat540 [252]2 years ago
7 0

Answer:

water

Explanation:

diffusions of malecules

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Mr. Shepherd is at a football game on a cold day. How does his body maintain a relatively constant body temperature? What is thi
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Answer:

1. Mr. Shepherd maintain a relative constant body temperature by preventing loss of heat.

2 This process is called HOMEOSTASIS

Explanation:

Homeostasis is the process whereby living organisms maintain a stable internal environment despite changes in conditions to the external environment. It is necessary that the body undergoes this process in order to guarantee survival.

According to this question, Mr. Shepherd is at a football game on a cold day. This means that in order to maintain a stable internal temperature, the body must preserve heat in the body and prevent its loss via sweating.

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2 years ago
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There is no control group and variables were not addressed.

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In the context, it is given that there is a dumping ground in a small town called Love Canal and harmful chemical waste of industries are dumped there. Lately, it is noticed that there were traces of the toxic substances on the walls of the schools and the hospitals. The hospitals also noticed that during the period of 1970 to 1980, there were increase in the number of the birth defects in the area. The people of the Love Canal has genetic abnormalities and the chemical waste is responsible for it.

Thus it can be concluded that there is a no such any control group in this case. The confounding variables like the comorbidities as well as the family history of the genetic defects were not addressed.

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Answer:its a covalent bond

Explanation:

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Photosynthesis is the putting together of carbohydrates by using light energy.
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