Answer:
The Tigris and Euphrates rivers made it possible to grow wheat on the arid Mesopotamian plains, but the dry climate eventually defeated human engineering. Irrigation brought water to fields faster than it could drain out. As salt-rich groundwater rose and surface water evaporated, mineral salts built up in the soils. Farmers switched to more salt-tolerant grains like barley, but the harder they farmed, the less they harvested. After about 2,000 years, the once-fertile land of southern Mesopotamia was barren.
Explanation:
In the method of authority way of knowing things, people hold firmly to some belief because some respected official, agency, or source has said it is so.
In the method of authority, a person is based on information or solutions from an expert within the concern place. for many questions, the method of authority is an incredible starting point; frequently, it's miles the quickest and simplest way to achieve answers. A technique of acquiring knowledge wherein a person relies on records or answers from an professional in the situation vicinity. The medical technique is a process of systematically collecting and evaluating evidence to test ideas and answer questions. at the same time as scientists may additionally use intuition, authority, rationalism, and empiricism to generate new ideas they don't prevent there. Perhaps one of the most common techniques of acquiring expertise is thru authority. This method includes accepting new ideas because a few authority discern states that they're proper. those authorities include parents, the media, doctors, priests and different spiritual authorities, the authorities, and professors.
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Answer:
A) Keep Russia in World War I
Explanation:
Answer : The remains of dead plants and animals settle to the bottom of an ocean or lake and are covered by mud. Pressure eventually forms these layers into rock.
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Why? : Basically sedimentary rocks are formed in low temperature, the pressure is low so the remains of any dead plants don't burn or get destroyed.
Igneous rocks form from molten rock and don't really get much fossils in them,
Metamorphic rocks has been under great pressure which fossils would not be able to survive in.
There are no reliable figures as to the number of men who served in the Continental Army. The rolls indicate that 231,771 men enlisted, but many were for short duration and reenlistments can be counted twice. Washington had as few as 4000 men at the worst of the winter of Valley Forge and never more than the 26,000 he commanded in November, 1779.
