<span>When the molecules in a solid are heated (heat is the same as molecular movement) they move faster due to the energy gain and when they have enough energy they can overcome the attraction they have between each other and break their bonds to form a liquid, and if heated further a gas.</span>
The cell membrane functions as a selective barrier. We call these kind of membranes as differentially permeable or semi permeable membrane. It can decide what substances can pass in and out. Therefore it can surround the cytoplasm (which is the inside of a cell) to separate the cell's content from the surroundings.
Answer:
uhh either natural and reproductive pretty sure it's reproductive
I believe Mass wasting is caused by weathering and gravity.
B. Most of the breaking down and absorbing of food happens in the small intestine.