Biology, 13.03.2022 18:50, srhg1204

5. Nuclear fusion has not yet been harnessed as an energy source because .

lasers are too dangerous
of a lack of deuterium
the energy is hard to control
sufficient pressure cannot be generated

Answers: 1

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answered: Guest

1) gene flow

- it is described as the transfer of genes from one population to another population so that frequency of gene is increased.

-a zebra migrates to join a different herd of zebras.

2) natural selection

- a mechanism of evolutionary change in which individuals with advantageous traits survive and reproduce whereas the others ( those that can not adapt) eliminate from the population.

-competition for sunlight leads to taller trees.

3) mutation

- permanent change in the nucleotide sequence of dna ( genetic material) that could have harmful or useful consequences.

-the dna of a snake changes to make its venom stronger.

4) genetic drift - it is a random phenomenon ( that occurs by chance such as fire) that results in change in the gene frequency in a small population.

-a grassfire randomly sweeps through a population of buffalo and kills most of the animals.

explanation:

answered: Guest

The salt in the sea water dehydrated the sailor because her body could not take in the amount to salt in the sea water

answered: Guest

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answered: Guest

i believe the answer is snake.

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5. Nuclear fusion has not yet been harnessed as an energy source because .

lasers are...