Which of the following questions can use science as a method of inquiry?

a. when is creating a new vaccine appropriate?

b. is country music the best or the worst type of music?

c. do ghosts exist?

d. how did the hole in the ozone layer form?

A. When is creating a new vaccine appropriate?

D. How did the hole in the ozone layer form?

Explanation:

Science can answer questions or inquiry by utilizing suitable experimental methodology or by direct observation on something which can prove a reason for the cause of a natural phenomena.

Among the options given A. When is creating a new vaccine appropriate? and D. How did the hole in the ozone layer form? are correct. As these involves both experimental and observatory study to be answered.

ill try to . no promises tho.

explanation:

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