What type of bond does water form? a. ionic bonds b. covalent bonds c. polar bonds d. hydrogen bonds

b. heterotroph

explanation:

maritime tropical may be your answer.

the answer is: metamorphic rocks often show the presence of fossils, also a

hope i

-lavira: )

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.