Becase insulin is not absorbed and secreted.
The value of renal clearance is often used to identify the mechanism of renal excretion of drugs. Renal clearance usually approximates the products of GFR by the unbound product of drug. Usually the drug clearance is proportional to the renal function of the person.
Insulin can be used to assess renal clearance because kidneys do not alter the amount of insulin that was administered. Therefore, any changes in the insulin collected from urine can signify renal problem.
Rainforest cover only 2 % of the total surface area of the Earth but in spite of that about 50 % of plants and animals that live on the Earth live there.
By definition rainforests are forests that recieve high amounts of rainfall so you can actually find rainforests in Alaska for example (other examples: Canada, Asia, Africa, Latin and South-America)
About 1/4 of natural medicines are found in rainforests. 70 % or more of the plants that are used to treat cancer are found only in tropical rainforest on the planet.
Trees in tropical rainforests are so dense that it takes approximately 10 min for the rainfall to reach the ground from canopy.
Answer: I believe you need to examine the layers, the color, texture.
Answer:
You take any of the "signs of change in populations of organisms and their environments". For imagine, Australopithecus (early man) turning to Homo sapiens. In that way they could tell that you took this journey.
The phosphorus cycle does not include an atmospheric component because phosphorus does not cycle through the atmosphere. In comparison, important processes of the carbon and nitrogen cycle occur in the atmosphere.