<span>The seminiferous tubules are the site of the germination, maturation, and transportation of the sperm cells within the male testes. Seminiferous tubules are made up of columnar Sertoli cells surrounded by spermatogenic cells on the epithelial interior and stem cells exteriorly.</span>
Evaporation (from the lake to the air)
condensation (gathering in the air into a cloud)
precipitation (from the cloud back to the earth)
They color because they are both acidic when you mix an antacid with an acid the color changes