Unlike passive transport, active transport O requires energy
O moves substances down their concentration gradient.
does not involve carrier proteins.
O All of the above

moves substances down their concentration gradient.

fabric is silk wool ext. paper isnt

explanation:

u cant make fabric out of paper cause paper comes from wood while fabric comes from animals

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this