A seems like the best answer, since your lungs expand while you breath it makes sense that the diaphragm would expand.
Answer:
Sea shell fossils are found in a mountain-top cave in New Hampshire.
Explanation:
The answer is number two I believe
Active transport is the moving of molecules across the membrane of the cell against the concentration gradient with the use of ATP.
Low to high concentration. Concentration gradient is the diffusion (movement of molecules from regions of low concentration) from high to low with the gradient. Active transport is from low to high, against the gradient.
The force that helps water molecules stick together is freezing.