<span>The correct answer is C. uracil. Uracil is one of the four nucleobases in the nucleic acid of RNA; it is a pyrimidine base to specific. During transcription, it binds to adenine by hydrogen bonds. It is thus basically comparable to thymine in DNA molecules.</span>
Lithosphere
<span>Lithosphere is the outermost layer of earth and
it is composed of crust and upper mantle portion of the earth. Lithosphere
rests on a layer called asthenosphere. Lithosphere forms the hard and rigid
surface of the earth. The two types of lithosphere are oceanic lithosphere and
continental lithosphere</span>
The middle stone age and the later stone age corresponds to the middle and the late pleistocene.
Cultural evolution during the middle and the late pleistocene :-
In southwestern Asia as well as northern and southern Africa, personal ornaments in the form of perforated seashells are recorded from the early Late Pleistocene. In the Old World, Neanderthals and anatomically modern humans are linked to a range of personal ornamentation by about 40,000 years ago (Ka). These include fully created ornaments as well as organically modified things. The appearance of figurative art, mythical imagery, and other types of items, like as musical instruments, at various times in history suggest that completely modern behavior began to emerge more gradually towards the middle of the Late Pleistocene and most definitely no later than 40 Ka. Many, but not all, of the lengthy and rigorous history of study might well have helped to the relevant data come from Europe.
Learn more about the Pleistocene age here:-
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Answer:
The initial amount, 1.3 million = 1,300,000 is the 100%.
now, 640,000 is a given percentage (lower than 100%) of that.
How we can find it?
suppose that 640,000 represents an x%.
Then we have that the quotient between the actual quantities and the percentages must be the same
(640,000/1,300,000) = x%/100%
x% = (640,000/1,300,000)*100% = 49.23%
Then the percentage declined is:
100% - 49.23% = 50.77%
The other question can not be answered with the given information.
<span>unorganized deposits of rock and sediment deposited by the sediment </span>
