5. Explain the Fossil Fuels and Why can't we stop using fossil fuels?​

Hopes this helps:

A fossil fuel is a fuel formed by natural processes, such as anaerobic decomposition of buried dead organisms, containing organic molecules originating in ancient photosynthesis that release energy combustion. We understand today that humanity’s use of fossil fuels is severely damaging our environment. Fossil fuels cause local pollution where they are produced and used, and our ongoing use is causing lasting harm to the climate of our entire planet.

The study of where things are 

Answer cumulus clouds;