The excretory system<span> is responsible for removing the </span>cellular waste through the lungs,skin,and kidneys<span>. </span>
When solid changes it's phase to gas without forming liquid, process is called sublimation.
It's a cyclohexane ring with an ethyl group at 1 and a methyl group at 3. The Ethyl group is bigger and more important group get's the first position.
1-ethyl-3-methylcyclohexane
D is just straight up false, if I were to take a stab at it, the only one that’s seems logical to me B. “The ability of atoms to combine in unlimited ways”
I Think that the answer is 15.2096 Kilograms, but I might be wrong.