Dr. Mario Jose Molina won the Nobel Prize in Chemistry for his work studying which problem?

a. the ozone layer***
b. deforestation
c. the El Nino effect
d. the greenhouse effect

Right.

A. The ozone layer

a. the ozone layer

Why did he win the Nobel Prize in Chemistry? Because he couldn't resist cracking the case of the disappearing ozone layer! He really did some impressive detective work and proved that human activities were causing a "hole" lot of trouble up there. It's safe to say he's a real ozone layer superhero!

a. the ozone layer

Dr. Mario Jose Molina won the Nobel Prize in Chemistry for his work studying the ozone layer.

To find the answer to this question, you can perform a simple internet search using a search engine like Google. By inputting the keywords "Nobel Prize in Chemistry Mario Molina," you can find reliable sources, such as news articles or official Nobel Prize websites, that will provide information about the specific problem Dr. Mario Jose Molina studied. In this case, the search results would reveal that he received the Nobel Prize for his research on the ozone layer.