So the question is asking on which of the following choices are the reason why the Indus Valley civilization decline and base on my research, I would say that the answers would be A. The surrounding land was severely deforested , C. Irrigation made the soil salty and unfit for farming and D. <span>Disease reduced the population. I hope this would help </span>
Hi!
These individuals are going to have a type B personality. Whenever you hear this, if you play video games - you can think of Sans from Undertale!
Hopefully, this helps! =)
Jamestown was situated on a site that was too secluded for agriculture, in fact, the entire island was isolated because it was swamp-like and infested with mosquitoes and the only water came from tidal rivers. This water was unsafe to drink, which could cause health problems such as cholera, typhoid or dysentery. I give credit to @Barnuts
But i agree with this but hope this helps.
Ammonia is likely to be the primary nitrogenous waste in living conditions that include <u>lots of fresh water flowing the gills of a fish</u>.
Nitrogenous wastes within the frame generally tend to form toxic ammonia, which need to be excreted. Mammals which includes humans excrete urea, even as birds, reptiles, and a few terrestrial invertebrates produce uric acid as waste.
Aquatic animals in general excrete ammonia. Ammonia is a small molecule that conveniently diffuses throughout skin and gills if enough water is available, however the kidneys inefficiently excrete ammonia. Ammonia is exceedingly toxic, and animals cannot continue to exist even mild ammonia concentrations in their frame fluids.
As a result, the marine organisms excrete ammonia without delay into the water and are referred to as ammonotelic. Ammonotelic animals consist of crustaceans, platyhelminths, cnidarians, poriferans, echinoderms, and other aquatic invertebrates.
Learn more about ammonia here: brainly.com/question/22684306
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