The answer for the first question would be water. It is the substance that is a compound since it is made up of different elements. For the second item, i think the best answer is phosphorus and nitrogen. They are the limiting nutrients. For the last item, the correct answer is reservoirs.
The ans is C. Hydrogen, deuterium amd tritium are all isotopes of hydrogen. Isotopes only differ in their number of neutrons. Hence, the ans is c
<span>The answer I think is, 7.83E22.</span>
Answer:
The substances in a mixture can be separated using physical methods such as filtration, freezing, and distillation.
There is little, see Enthalpy of mixing, or no energy change when a mixture forms.
Mixtures have variable compositions, while compounds have a fixed, definite formula.
Explanation:
1.) Moe will feel pain and he will see one side go to the right and disappear
