When mimosa/plant, be stimulated and closed, which of the following can be changed? (1) enzymes (2) moisture content (3) temperature (4) auxin

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.

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic