Why is coal considered to be a nonrenewable resource?
a. there is not very much of it in the...
Chemistry, 20.09.2019 09:30 abalth2154
Why is coal considered to be a nonrenewable resource?
a. there is not very much of it in the ground.
b. it takes millions of years to replace.
c. it is very inexpensive.
d. it is very expensive to mine.
Answers: 2
Chemistry, 22.06.2019 00:30
The clouds are grey and ground is wet. a quantitative b qualitative
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How do scientists think that gravity affected the formation of our solar system?
Answers: 1
Chemistry, 22.06.2019 17:00
Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.
Answers: 1
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