How does facilitated diffusion differ from simple diffusion?
o
energy is needed to move molecules through the cell membrane.
o no energy is needed to move molecules through the cell membrane.
o
molecules diffuse through the cell membrane.
o
molecules diffuse through transport proteins.

explanation:

plz give me the characteristics.

maritime tropical may be your answer.

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds

more words for this could be abiotic and biotic

abiotic: living organisms within an ecosystem

biotic: non-living organisms within an ecosystem