. Why do you think it is important to preserve biological diversity?

It helps bring different kinds of species and creatures. If there weren’t diversity there isn’t an increase in the population

Explanation:

compost can be added to topsoil as a:

pesticide

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.