PLEASE HELO ME WITH THIS. MY ANSWERS ARE PROBABLY WRONG PLS HELP

Which statement best describes the relationship between observations and conclusions? a) observations are based on conclusions b) conclusions are based on observations c) observations and conclusions both depend on research d) neither conclusions nor observations depend on research.

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 does the carbon cycle involve an exchange of carbon