Compounds that contain only carbon and hyrdrogen are

The shift of a vehicle's weight around its center of gravity is known as

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.

Were you able to observe the nucleolus in any of the cells if so which ones