An enzyme is a special kind of catalyst that works to
a. speed up a specific biochemical reaction.
b. break down chemical elements.
c. slow down a chemical reaction.
d. maintain the correct temperature for a reaction.

What effect might melting sea ice have for people who live in coastal areas?

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²