Answer:
there are two types of fermentation lactic acid fermentation and alcoholic fermentation
Explanation:
This occurs when muscle cells cannot get oxygen fast enough to meet their energy needs through aerobic respiration.
Explanation:
Vacuoles are larger in plant cells than in animal cells.
Answer:
As the earth spins on its axis, producing night and day, it also moves about the sun in an elliptical (elongated circle) orbit that requires about 365 1/4 days to complete. The earth's spin axis is tilted with respect to its orbital plane. This is what causes the seasons. At different times of the year, the sun's rays hit different parts of the globe more directly. The angle of the Earth's axis tilts the Northern Hemisphere towards the sun during the summer. Without the tilt of the earth's axis, we wouldn't have seasons.
Explanation:
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