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noname [10]
2 years ago
12

5. The air we breathe is mainly a mixture of nitrogen gas, oxygen gas, and carbon dioxide. What would

Biology
1 answer:
emmasim [6.3K]2 years ago
6 0

Answer: 160 mm HgTherefore, the partial pressure of oxygen is: PO2 = (760 mm Hg) (0.21) = 160 mm Hg, while for carbon dioxide: PCO2 = (760 mm Hg) (0.0004) = 0.3 mm Hg.

Explanation:

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Explain how the inside of a cell remains separate from its environment
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4 0
3 years ago
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What molecules are needed to maintain homeostasis in biosphere 2
ruslelena [56]

Answer:

What molecules are needed to maintain homeostasis?

Homeostasis is maintained by many cellular processes that require ATP. Aside from enzymes the make and break bonds, other proteins that use ATP include protein pumps that move salts across a membrane.

Explanation:

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6 0
3 years ago
You will get brainliest
kiruha [24]

Answer:

please mark me the brainliest

Explanation:

Antarctica, Argentina, Chile, Canada, Alaska, Greenland and Iceland. Mountain glaciers are widespread, especially in the Andes, the Himalayas, the Rocky Mountains, the Caucasus, Scandinavian mountains, and the Alps.

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3 years ago
By pairing the ringing of a bell with the presentation of meat, Pavlov trained dogs to salivate to the sound of a bell even when
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Answer:

Unconditioned stimulus.

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Classical conditioning may be defined as a type of learning procedure in which the biological procedure is used to pair up with the previous nerve stimulus. This stimulus result in the response of an individual.

The Pavlov experiment with the dog explains the process of classical conditioning. The ringing of bell (conditioned stimulus) is paired with unconditioned stimulus (meat presentation).

Thus, the meat presentation is unconditioned stimulus.

3 0
3 years ago
C. COMPLETION
dangina [55]

Answer:

1. Control insects, diseases, rodents, and other pests.

2. Colorado.

3. Professional satisfaction and prosperity.

Explanation:

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