Answer:
The phosphate groups allow the nucleotides to link together, creating the sugar-phosphate backbone of the nucleic acid while the nitrogenous bases provide the letters of the genetic alphabet. These components of nucleic acids are constructed from five elements: carbon, hydrogen, oxygen, nitrogen, and phosphorous.
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Answer:
A choosing to burn coal to generate electricity
Explanation:
Neither nuclear energy nor alternative sources such as wind and solar seem likely to meet the demand for electricity. ... Of all fossil fuels, coal puts out the most carbon dioxide per unit of energy, so burning it poses a further threat to global climate, already warming alarmingly.
Answer:
Las neuronas son las células específicas del sistema nervioso, que son capaces de transmitir impulsos nerviosos o las demás células del cuerpo
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Answer:
Geologists use radiometric dating to estimate how long ago rocks formed, and to ... as "bracketing" the age of the sedimentary layer in which the fossils occur.
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