Answer:
Spread
Explanation:
People use envelopes very often. The germs people carry are put into the envelope and then it's sent out to many others.
Answer:b)lubricating surfaces
Explanation:took it on edge hope this helped
True there are temperate rainforests in Oregon, and other places
Yes, If there were no concentration gradient of protons across the thylakoid membrane, the ATP synthase would not be able to convert ADP to ATP.