Atide is

a. a change in the height of waves.

b. the periodic rise and fall of any body of water

c. the periodic rise and fall of the ocean surface

d. a measurement of the strength of gravity

All vaccination should(n’t) be mandatory! 1.at least 5 sentences explaining 2.why? 3.in the end summarize the sentence

Which fossil organism in whale evolution do you think was the first to live mostly in water? explain your claim with evidence and reasoning?

The model illustrates a process by which a substance is taken up by a cell. which statements describe the process? a. the model shows the process of endocytosis. b. the process shown in the model requires energy from the cell. c. the cell membrane in the model remains intact throughout the process. d. the model shows the process of facilitated diffusion.