It is the Watt per square meter, or W/m2.
Answer:
The answer is number two extinction happened, this was the time dinosaurs went extinct ebcause lack of sun because oh how much dirt was blown into the earth atmosphere becuase of the asteriod, third option is talking about big bang theroy so that dosnt apply!
Explanation:
Answer:
The answer is either that he is a scientist or a chemist, but I think I’d go with scientist.
Hope this helps!
I believe it’s a or c. and those links are so annoying i had to start a new account
Answer:
The activation energy must be reached. The catalyst makes lower energy pathways available.
Explanation: