Question

6)Write the names of two natural substances.

7)What is the purest form of carbon?

8)If a person stands behind a car at rest, will there be any change/efect on the car? Why?​

Answer 1

Answer:

6.Coal And Petroleum

7.Diamond is the purest form of carbon

8.However, When the Car Strikes a Concrete barrier and Comes to a Sudden stop, the ... To appreciate the severity of the impact, think of the driver as sitting ... Therefore, it is not so much that "speed kills" but that the change in velocity with respect ... A person standing on one toe on a sheet of ice applies a concentrated load ...

Explanation:

Answer 2

Answer:

Water and Sand and air , coal, petroleum etc

Explanation:

Water and soil and air are natural resources

because they came from nature