Answer:
B. Temperature
Explanation:
The heart rate depends on the temperature so the heart rate is dependant and the one that changes is independant
The answer would be: <span>a. cooler temperatures
</span>Increase in distance from the equator will reduce the amount of sunlight received, which will make the area have a cooler temperature. I<span>ncrease in elevation above sea level should make the air pressure lower as there is less air above the area.</span>
Energy comes from making bonds in carbon dioxide and water.
