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prisoha [69]
3 years ago
5

Which is a reason that many organisms that have existed on Earth have left

Biology
1 answer:
alexandr1967 [171]3 years ago
7 0
A fossils can’t form underwater because of how much oxygen can be found in the water.
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A possible reaction for the degradation of the pesticide DDT to a less harmful compound was simulated in the laboratory. The rea
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This exercise is incomplete, missing the value of k (decay constant), which is equal to 4x10⁻⁸s⁻¹ at 25°C

The answer is 0.549 years

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Given:

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k = 4x10⁻⁸s⁻¹

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t=\frac{0.693}{k} =\frac{0.693}{4x10^{-8} } =17325000s=0.549years

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