In a solar system, there is a sun that is in the middle and has planets orbiting around it. The same way, the nucleus is in the middle with electrons orbiting the nucleus. <span />
Answer and Explanation: The excretory system helps the respiratory system by getting rid of carbon dioxide. The respiratory system helps the excretory system by getting rid of CO2 from the body. They both need each other and if one or the other did not exist, we might've not been able to survive. Tis demonstrates how vital they are for the human body.
Answer: for HCO it dissolves in water
for CH2OH IT dissolves in water
Explanation:
i just took the test
I’m not sure but I think A
