What is the difference between spermatogenesis and oogenesis?

What causes eclipses? check all that apply. earth's rotation on its axis moon's shadow covering the sun earth's shadow covering the moon earth's orbit and moon's orbit occasionally aligning the moon and sun's gravity pulling in the same direction

Which of the following forest management practices is best for reestablishing areas of forest?

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?