Enzymes are important in cell's chemical reaction. describe what a enzyme's role in chemical reactions is and explain what an enzyme does. the following key words may you structure your response: active site, enzyme-substrate complex, and activation energy. try to

coal is not sustainable because it will one day run out.

blah

explanation: bc blah

idk what the options are but

these is a strong electrostatic attraction between the ions hence a lot of energy is needed to overcome this attraction

this is why the boiling points are so high

if you add everything up correctly you should get 69 i got this because 50 plus 19 is it