Answer i need . 50 points there are 2 more questions like this plz look on my page and answer them

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body

How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.

Does solar energy ever run out? brainliest