Please help science?

Question

1. Which type of fire is sometimes set as a way to protect a forest? (Points: 1)

surface fire

crown fire

forest fire

camp fire

2. Which president established the U.S. Environmental Protection Agency? (Points: 1)

Jimmy Carter

Richard Nixon

John Kennedy

Bill Clinton

3. About how long does it take to form fertile soil? (Points: 1)

1 week

1 year

100 years

1,000 years

Answer 1

1. None of the above.

A Surface fire is a fire that is on the surface of the ground

A Crown fire is a fire that occurs in the crown or canopy of the trees

A Forest fire is, well, a fire in the forest

A Camp fire is a fire set at a campsite

2. Jimmy Carter

3. It takes 1,000-10,000 years to form fertile farm land from rocks