B. Pine trees, this is the answer that was right after I took the test XD
In this case the objects must be touching
<span>The most dominant chemolithotrophs in pelagic waters are ammonia-oxidizing archaea. The first step in nitrification is performed by ammonia oxidising microorganisms that convert ammonia into nitrite ions. Science has known about nitrifying bacteria for over a hundred years now thanks to the discovery of S. Winogradsky.</span>
Most likely a hydrogen bond?
Answer:
The Tunica Media
Explanation:
Usually referred as the middle layer, it helps regulate blood flow and pressure.is a support for the vessel.Hope this helps:)