ANSWER:
C) A substance used to speed up a chemical reaction without being used in the process
hope this helps
B
Amoebas cannot be animals because they are unicellular.
That's false; there are more types of molecules than atoms
<h2>
Low-Gravity</h2>
We would be taller
We would be more fat
We would require more exercise
We would get unhealthy more quickly
We would be able to do many things that are not easy on Earth
We would not be able to do somethings that are easy on Earth
We would have more muscles, less bones
<h2>
High-Gravity</h2>
We would be Short
We will be thin
We will not require that much exercise
We will be usually healthy
Heavy people will suffer from disease more
A little weight increase can make lots of differences in the body.
Thanks!
Contrals movement of substances and in and out of cells