The first one is substance 3
The second one is Oxygen, Helium, and carbon dioxide
The third one is the oil floats on top of the water
It's ionic because electrictrons are only lost or gained in ionic bonds
Answer:
Nickel(II) cyanide is an inorganic compound with a chemical formula Ni(CN)₂
Explanation:
<em>Hope </em><em>it </em><em>helps </em><em>u </em>
FOLLOW MY ACCOUNT PLS PLS
Unrestricted populations of organisms experience Exponential growth.
As a population reaches is carrying capacity there is an increase in competition for All of the above.
Hope I helped.
