Question

Give. definitions of the following 1) humus2) fossil fuels

Answer 1

Answer:

Humus: It is a kind fertilizer which is made up of dead leaves and plants which increases the fertility of soil .

fossil fuels: this are the substances which are made up of millions of years ago from dead plants and animals.

Answer 2

Answer:

Explanation

fossil fuel

Fossil fuels include coal, petroleum, natural gas, oil shales, bitumens, tar sands, and heavy oils. All contain carbon and were formed as a result of geologic processes acting on the remains of organic matter produced by photosynthesis, a process that began in the Archean Eon (4.0 billion to 2.5 billion years ago)