The north and the south of each have long periods of complete sunlight in complete darkness why

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The earth is tilted. When the earth rotates around the sun, one side of the pole is always in darkness while the other side is in complete sunlight. For instance, when the earth is tilted toward the sun(60 degrees north for example), the northern hemisphere is experiencing the season Summer(poles have a long period of complete sunlight) whereas the southern hemisphere is experiencing Winter.

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Review the many ways in which microbes process oxygen by completing each sentence. then, please arrange the sentences in a logic

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1. With respect to oxygen requirements, an <u>aerobe </u>can use gaseous oxygen and possesses enzymes to process toxic oxygen products.

<h3>What are enzymes?</h3>

Proteins called enzymes aid in accelerating our bodies' chemical reactions, or metabolism. Some compounds are created, while others are broken down. Enzymes are a component of all life. Enzymes are created by our bodies spontaneously.

2. Expanding on this classification, an <u>obligate </u>aerobe cannot grow without oxygen.

3. Still other organisms, called<u> facultative anaerobes</u>, metabolize by aerobic respiration but can adapt to anaerobic environments.

A facultative anaerobic organism is one that can switch from aerobic respiration to fermentation in the presence of oxygen to produce ATP.

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