Answer:
The half of the Moon that points toward the Sun looks bright because it is lit by sunlight. The Moon appears to change shape because we see different amounts of the lit part as the Moon orbits Earth. ... As it moves around Earth, more and more of the lit side comes into view.
Biochemical- apart of the second defense system
Answer:
Plant cells have a large central vacuole, a cell wall, and chloroplasts while animal cells do not.
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Nutrients enter a cell up the concentration gradient by the process of active transport.
Answer: glutamate
Explanation: Given the cascade of events leading to ischemia-produced brain damage, it has been suggested that glutamate antagonists administered immediately after a stroke might reduce the subsequent development of brain damage.
