Answer:
(VEE-nuh KAY-vuh) A large vein that carries blood to the heart from other areas of the body. The vena cava has two parts: the superior vena cava and the inferior vena cava. The superior vena cava carries blood from the head, neck, arms, and chest.
#1 is climate, whether is specific climate is over all what it does
#2 It is weather, you don't usually need galoshes only when it rains its climate isnt to rain that particular day, that is its weather
#3 again refers to weather, it isn't always windy just when the weather turns.
The answer to ur question is a
Both need water to survive.