3 years ago

How long has the water on earth been around?

Biology

2 answers:

insens350 [35]3 years ago

7 0

The water on the earth has been around for about 4.6 billion years

SSSSS [86.1K]3 years ago

5 0

The study pushes back the clock on the origin of Earth's water by hundreds of millions of years, to around 4.6 billion years ago, when all the worlds of the inner solar system were still forming. Scientists had suspected that our planet formed dry, with high-energy impacts creating a molten surface on the infant Earth.

Answer: 4.6 billion years.

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If two heterozygous tall peap plants are crossed. What is the expected phenotypic outcome for the offspring?

miv72 [106K]

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

Explanation:

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3 years ago

Which of the following can occur in a polar cell

Solnce55 [7]

Phospholipid can occur in a polar cell.

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Many factors affect the general climate of a location. Latitude is an important factor in determining the type of climate. Miami

Damm [24]

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