The population must be infinitely large!
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Answer:
The answers are the second and fourth ones.
Explanation:
I did the assignment.
Oxygen and silicon make up most of earths crust
The Moon appears to Earth as a small crescent, as it rotates around the Earth this expands to a full moon and back to a small crescent. This happens once every 29 days and is called a lunar month. The Moon causes the rise and fall of the ocean's tides on Earth.
Answer:
50% of the moon is illuminated during a third quarter phase
