Space actually, as far as we know gravity is just a manifestation of the warping of three dimensional space created by matter. Without space, all else is doomed.
Oceanic crust<span>tends to be denser and thinner than </span>continental crust<span>, so the denser </span>oceanic crust<span> gets bent and pulled under, or subducted, beneath the lighter and thicker </span>continental crust<span>. This forms what is called a subduction zone. The answer is B.</span>
I believe that they’re norepinephrine (NE), and the acetylcholine (Ach). Hope this helps!
Allows for new plants to grow back healthier and it eliminates invasive species