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.
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Answer: The ruins of the Roman Empire still stood in Italy and people there maintained a connection with the learning of the past.
Some wealthy merchants used their wealth to support humanist ideas, learning, art, architecture, and literature.
Explanation:
These factors contributed a lot to the emergence of the Renaissance in Italy. Roman culture and civilization were quite developed. However, its study was banned during the Middle Ages. The Renaissance is based, among other things, on the teaching of apart from the ancient period. Since Italy was the center of the Roman Empire, many literary and artistic works were available. So Renaissance intellectual workers studied these works. Italy then had a large number of wealthy merchants and bankers who supported the Renaissance creators. They donated huge funds for the intellectual work of these people. The Medici family stood out the most in that context.
Answer:
A
Explanation:
Canada has long ranked among the world leaders in the production of uranium, zinc, nickel, potash, asbestos, sulfur, cadmium, and titanium. It is also a major producer of iron ore, coal, petroleum, gold, copper, silver, lead, and a number of ferroalloys.
