Which is an example of maintaining structure? Question 1 options:

sweating

all answers are examples of maintaining structure

keep from getting too cold

healing a wound

the core of the sun is so hot and there is so much pressure, nuclear fusion takes place, hydrogen is changed to helium. nuclear fusion creates heat and photons. when the heat reaches the earth it warms the molecules of the atmosphere, and they warm other molecules and so on.

1 digestive system

2 stomach

3 bladder

4 carbon deoxide

5 tiger