PLEASE HELP ASAP Picture 1. (The one that says carbon)
a. 8 and 3
b. 4 and 2 and 7
c. 1 and 6
d. 5

Which of the follow describes a disadvantage secondary sources have compared to primary sources?

Hydroelectric uses moving water to do work such as grinding grains in a mill true or false

Some scientists argue that global warming is related to buming fossil fuels to produce energy o increased use of fertilizers loss of forested areas a of the above