Question

The resources which cannot be used directly are called ________________

Answer 1

Answer:

There are four major types of nonrenewable resources: oil, natural gas, coal, and nuclear energy. Oil, natural gas, and coal are collectively called fossil fuels. Fossil fuels were formed within the Earth from dead plants and animals over millions of years—hence the name “fossil” fuels

Answer 2

Fossil fuels and minerals and mineral ores