Log in
Sign up for FREE
arrow_back
Library

Check for Understanding 2

star
star
star
star
star
Last updated about 5 years ago
3 questions
1
1
1
Question 1
1.

What element is coal made up form?

Question 2
2.

Which of the following is an advantage of burning coal?

Question 3
3.

Which of the following is a disadvantage of burning coal?