How long do we think that living things have existed on earth

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

What is responsible for the uneven heating between the poles and the equator on any given day

What is the process by which biological parents pass traits such as hair type or eye color to their children