Answer:
oxygen
Explanation:
oxygen is an essential nutrient which the body needs especially during respiration.
it help the blood cells do provide energy.
without oxygen, there is no gaseous exchange
Answer:
The digestive system
Explanation:
Because the food gets dissolve in the digestive system. After it finished dissolving, the body must elimenate it by using the bathroom.
The warm air will rise because cold air is heavier than warm air.
Answer:
it would be Florida because they used a lot of electricity
