Answer: C
Explanation: When four oxygen molecules bind up , the hemoglobin forms a compound called oxyhemogoblin
Because in the dark only the rods are the working part in your eyes and they only detect dark colors or purple to be specific
Answer:
Areas where the air is warmed often have lower pressure because the warm air rises. These areas are called low pressure systems. Places where the air pressure is high, are called high pressure systems. A low pressure system has lower pressure at its center than the areas around it.
Explanation:
Mark brainiest'
The answer is programmed cell death