Question

TRUE OR FALSE:

1. From a scientific point of view, if you push on a large boulder, but it does not move, you still have done work.

2. Machines save us work.

3. The main cause of inefficiency of machines is friction.

4. Fossil fuels are used to produce plastic.

5. The most abundant fossil fuel is petroleum.

6. Deforestation is largely due to farming.

Answer 1

The answer is a bsf

Answer 2

1.true
2.true
3.fasle
4.true
5.false
6.true