What allows receptors for extracellular signaling molecules present on the responding cell's surface to recognize such molecules so readily

straight fertilizers

this transfer is call conjunction

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.

sodium i think the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.