Answer: C
Explanation: Left ventricle. With the thickest muscle mass of all the chambers, the left ventricle is the hardest pumping part of the heart, as it pumps blood that flows to the heart and rest of the body other than the lungs.
Chemical composition is always a property of an ore.
They both eat zooplankton I think
Explanation:
The enzyme is unchanged so that, it can be reused when more substrate is available.
to know more ,enzymes about Biological Catalyst that are used to speed up the rate of a biological reaction but are not used up at the end of the reaction
Answer:energy
Explanation:all activities of life including physical and chemical require energy to proceed