Answer:b) The air at high altitudes are less dense, so its harder to breathe.
Explanation:
AS altitude increases, the air pressure drops. This reduces the amount of gas molecules in the air so the air becomes less dense compared to air closer to sea level.
Answer: plateaus
Explanation: there not canyons so you can cross that off and its not the dunes nor the deltas so if you look at the picture you can tell it is the plateaus
Insulin. Although it is made in the pancreas, insulin is the hormone.
Answer:
Ribosomes
Explanation:
No matter where mitochondrial proteins are made, they are synthesized on Ribosomes that translate messenger RNA into the amino acids that form the protein chain. Most of the proteins in mitochondria function in genome regulation, DNA maintenance, and upkeep of the small percentage of internal mitochondrial proteins.