Subduction zones are prevalent at ocean-continent convergent boundaries. Describe why this is the case.

the sphincter muscles at the end of the digestive tract is the anus.

frogs. the lower the ph the higher the acid content. frogs have the highest tolerance in this scenario.

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.