6. In addition to descomposition, how else do humans and other animals return nitrogen to the soil? 7. What do humans do to help REDUCE the amount nitrogenous waste that enters rivers and ocean

8. What might humans do to INCREASE the amount of nitrogen entering rivers and ocean?

9. What might happen if too much ammonia enters rivers?

10. Explain how the nitrogen cycle demonstrates the Law of Conservation of Matter?​

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )

b is the correct answer

the growth of the plants is affected by the heat of the light. what is the student doing?

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.