Earth's history. In the worst one, 250 million years ago, 96 percent of marine species and 70 percent of land species died off. It took millions of years to recover.
Answer:The Sun and moon both has its impacts on the hydrosphere region on earth. ... About 70% of the earth surface is covered by water. The sun plays an important role as it warms the ocean water in the equatorial and the polar region that increases the temperature of the water on the surface of the oceans.
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Answer:
It would be b. 1 TT: 2Tt: 1 tt. Because crossing two heterozygous parents means the genotypes for them are Tt and Tt. Which means that there is only one way to get TT or tt and 2 ways to get Tt
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Are you looking for the term for a chemical pollutant?
The outermost layer of the Earth is called the crust.
