__is an element found in all organic molecules during respiration, animals excrete it as a gas known as

1.carbon

2.carbon dioxide

Explanation:All animals exhale out carbon dioxide during respiration. Carbon dioxide is a byproduct of respiration, it Is harmful If it stays in the body for long and needs to be excreted out from the body

Plants instead of excreting out carbon dioxide use it produce glucose and oxygen, that is later on used by the animals themselves

because the light is a great source of energy for the plants to survive. (i hope this )

to figure the total magnification of an image that you are viewing through the microscope is really quite simple. to get the total magnification take the power of the objective (4x, 10x, 40x) and multiply by the power of the eyepiece, (usually 10x)