How are caves and sink holes related?

um because they both came from mother natures v- nah im jp but its because One forms when the roof of a cave collapses and exposes the underground cavern. The second type forms when water dissolves the rock underneath soil and creates an underground chasm.

Explanation:

c is the answer because when something is left after something evaporates that shows the chemical change.

the major pests we deal with are insects, weeds and fungal diseases. a pesticide is a product, whether organic or chemical, used to kill the target pest. there are other techniques gardeners should use that can prevent the severe infestations that make the use of pesticides necessary