Although they’re different, what relationship exists between facts and theories?

In the scientific method, theories offer explanations for facts.

Explanation:

Scientific theory is based on complex observation, inference and experimentation techniques. Usually, the resulting reports are checked and peer-reviewed thoroughly before being accepted as explanations for facts evidence.

Thus, theories are rigorously tested, and verifiable explanations for facts which are based on observations.

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

compost can be added to topsoil as a:

pesticide