It has two phosppholipid layers that are either hydrophobic and hydrophillic the function is to protect thing from coming in and out
Answer:
B
Explanation:
Valleys are created by streams of running water
Answer:
solids are more tightly packed together (the molecules) than liquid or gas so it allows it to travel through vetter/faster
Answer:
3215 F would be the platinum melting point.
it boiling point is 6917 F.
Explanation:
There is not much to explain other then heat melts metals when high enough, I know this because I own a forge and platinum is one thing I use for melting.