Cameron reads in his textbook that animal cells are composed of 90 percent water and 10 percent protein, carbohydrate, nucleic acid, lipid, and other molecules. He learns that homeostasis is the process by which this composition is maintained. How does an organelle in an animal cell control the content of water and other material in the cell?

primary succession begins with a bare rock and ends with a forest secondary succession begins after a natural disaster where there is a temporary setback after a forest fire or local destruction, but the surrounding area can fill in

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.

the answer is definitely a

the answer would be b.:

880,000.

hope it ,

bioteacher101