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

when is creating a new vaccine appropriate?
is country music the best or the worst type of music?
do ghosts exist?
how did the hole in the ozone layer form?

How did the hole in the ozone layer form?

Explanation:

A scientific inquiry is a method to answer questions related to science involving the reason for natural process, events and phenomena. These can be answered using scientific methodology. That is observation, hypothesis making, testing hypothesis by experimentation, analysis of results and conclusion. A good scientific question can be answered using methodology used in scientific inquiry.

How did the hole in the ozone layer form?  is the correct option because it can be determined by identifying the factors responsible for formation of hole in ozone layer through experimental conditions.

here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be