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3 years ago

In the generation of most anions, the energy change (kj/mol) that _ an electron is __.

1 answer:

7 0

The answer is D. An anion is a negatively charged ion, which means it has accepted an extra electron (s) from a donor ion (cation). To add an electron, energy has to be released so that the electron can be less excited and go back to its orbital level. The released energy is equivalent to the energy required to remove the electron from its orbital level.

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4 years ago

You want to estimate the number of canvas backs (a type of duck) at the Sacramento Wildlife Refuge. In two days you capture 200

Vsevolod [243]

Answer:

Option A 400 individuals

Explanation:

Using this formula, we can estimate the population size of the canvas backs as this is a capture-recapture method.

N = (MxC) / R

Where N = estimated Number of individuals in the population

M = number of individuals captured and Marked = 200

C = total number Captured the second time (with and without a mark) = 200 and

R= number of individuals Recaptured (those with a mark) = 100

Thus, we have

N = (MxC) / R

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= 400 individuals.

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4 years ago

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I believe it is D. More African elephants today naturally lack tusks compared to the elephant populations 100 years ago, because big game hunters sought elephants for ivory.

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3 years ago

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svetoff [14.1K]

Answer:

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Explanation:

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3 years ago

Transgenic organisms can express the foreign genes because all organisms are based on the same

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Answer:

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Explanation:

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4 years ago

In the generation of most anions, the energy change (kj/mol) that _______ an electron is ________.

In the generation of most anions, the energy change (kj/mol) that _ an electron is __.