At the start of what 2 seasons do all areas of the earth get 12 hours of a day and 12 hours of night

Natalie had random hand movements when she was two months old. when she was six months old, she used to grab a block with her whole hand. now at the age of ten months, she can grasp the same block with her thumb and forefinger. this sequence of growth in her hand and finger movements is according to the pattern.

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes