Answer:
C
Explanation:
The water won't be able to penetrate the ground so can't become ground water and reservoirs are usually above ground not underground so it will become run off.
Parietal cells produce gastric acid (hydrochloric acid) in response to histamine (via H2 receptors), acetylcholine (M3 receptors) and gastrin (gastrin receptors). Parietal cells contain an extensive secretory network (called canaliculi) from which the HCl is secreted by active transport into the stomach.
Both plant and animal cells have membranes so whatever chemical reactions they have going inside the cell, it is regulated and maintained. Membranes help separate the internal environment from the external environment.
Hope this helps - I'm currently in cell biology so this question is interesting
Answer:
an ecosystem consists of a population of organism and it's physical environment,and a population is made up many different communities of organism.
I believe the answer is luteinizing hormone. Luteinizing hormone also known as lutropin is a hormone produced by the anterior pituitary gland. The hormone is considered a gonadotrophic hormone because of its role in controlling the function of ovaries in females and testes in males which are known as the gonads. In females it controls the length and sequence of the female menstrual cycle, including ovulation, preparation of the uterus for implantation of a fertilized egg, and ovarian production of both estrogen and progesterone.