What direction is amino acids are added in protein synthesis?

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

Blank is a rock with a find dark texture that makes up the oceanic crust

The diagram shows the development of the oocyte and the follicle during the menstrual cycle. identify at which stage in the cycle the hormone levels are at their highest and most active.