It might be an astrocyte, but I'm not sure.
Answer:
Either A or C but A is a bit more true
Explanation:
You can measure one on option C but you can measure both
on answer A. Hope this helps you out.
The answer is "At least 15".
The role of an enzyme is to B change the activation energy of the reaction. Specifically, they increase the general speed of all reactions and are made of proteins.
I think this is actually a physics question-
gravitational potential energy = mass*g*height. We know mass and g is constant, so all we need to know is the height of the basketball.
Hope this helps :)