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Marat540 [252]
3 years ago
8

NEED ANSWER ASAP Which statement about the earth’s atmosphere is true

Biology
1 answer:
ss7ja [257]3 years ago
3 0

Answer:

In the past few decades, Carbon dioxide levels has been rising.

Explanation:

  • Rising levels of Carbon dioxide has become an immediate concern for the Environmentalists.
  • This is because carbon dioxide is a green house gas and risen levels of green house gases can lead to unusual warming up of the Earth's Atmosphere.
  • This phenomenon is termed as Global warming.
  • Global warming can lead to seasonal variation and melting of the ice caps to flood several continents.
  • In Last few decades The levels of Carbon dioxide is rising at an alarming rate.
  • This rise occurs due to the to burning of fossil fuels, combustion of fuels in automobiles, Deforestation etc
  • An immediate step is needed to check this addition of carbon dioxide.
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It depends whether we are talking of animals or humans re community stability and diversity. Since we are speaking of community most likely it is to do with humans. Humans maintain community stability by sharing their knowledge and experience and volunteering to develop community programs like gardens in a neighborhood and develop diversity by including people of all backgrounds and races and encouraging their participation.
4 0
3 years ago
Which statement best describes how artificial selection can decrease a population's biodiversity?
IrinaVladis [17]

The statement 'artificial selection decreases the rate of natural selection and change within a population' describes how artificial selection can decrease a population's biodiversity. It is a human-driven process.

<h3>Artificial selection</h3>

Artificial selection refers to the human-driven process by which different organisms (either plants or animals) are selected in order to combine desired features in offspring.

In artificial selection, organisms are mated (crossed) in order to select the progeny having desired phenotypic traits.

This process (artificial selection) leads to a decrease in natural genetic variation (biodiversity), which may have negative consequences in the successive rounds of selection.

Learn more about artificial selection here:

brainly.com/question/26144922

6 0
2 years ago
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It has been recently determined that the gene for Duchenne muscular dystrophy (DMD) is more than 2000 kb (kilobases) in length;
castortr0y [4]

Answer. D

Explanation:

After the messenger RNA (mRNA) is formed, it has to go trough different steps before being translated into proteins, also known as maturation of the mRNA. One of the most important steps is splicing, a process that removes the introns (regions of the sequence that do not codify for any particular amino acid sequence or protein). In other words, the splicing process removes sequences that do not generate any protein, leaving only the exons to be translated into protein. However, the genes (within our DNA) will contain exons and introns; Therefore, the gene sequence will have more kilobases compared to mature mRNA as the introns in this macromolecule have been spliced out.  

I hope this clarify your question .

7 0
3 years ago
No wrong answers.
Nutka1998 [239]
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