Answer: Option C.
The number of protons and neurons it's contain.
Explanation:
Mass number of an atom is also called atomic mass of an atom which is some what expressed in Dalton i.e 1/2. The mass number is the total number of protons and neutrons altogether called nucleons in an atomic nucleus.
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Answer:
around 8 or 9 or 10 hours.
Explanation:
Correct answer: B). Easy to cultivate and fertile
The prairie is grassland soils that possess a dark colored surface and these soil are highly fertile in nature. These soils are rich in minerals like calcium and magnesium.
The dark color of soil comes from the added organic matter to the soil that comes from the roots of prairie plants. They are formed in the areas that are too dry to be forested, but too wet to be desert.
Hence, the correct answer would be option B.
During the miocene epoch of the Cenozoic era, there was an adaptive radiation of Apes. During the miocene, hominods radiated and dominate the primate world. The Miocene is a geological epoch that existed from roughly 24 million years ago to about 5.3 million years ago. During this period much of the continental Earth formed. The continents moved into positions that are recognizable in modern times, and flora and fauna evolved into species that exist today.
