Stuff In/On The Earth [PLEASE MAKE A LIST]?

Question

Can someone make me a list

that are on/in the earth. The only

things I have is :

1. There is hot lava in the center of the earth.

2. 98% of the earth has water.

3. People (Living Thing)

4. Animals (Living Thing)

5. Plants (Living Thing)

6. Dirt

But I need more. So can you PLEASE

help me out.

And it's my homework.

Answer 1

Bacteria (Living thing)

Volcanoes.

Houses.