Nuclear fuels are highly efficient sources of energy. What is an environmental impact of the use of nuclear fuels?

A. Nuclear fuel is easily exhausted.
B. Nuclear waste disposal is hazardous.
C. They decrease the pollution of fresh water resources.
D. They increase the emission of greenhouse gases.

Which technically is nasa developing that will astronauts reach mars

(drag each tile to the correct identify which questions can be answered by what can be answered by science or which cannot. -is it right or wrong to use genetic engineering to produce new food products? -what are the most common social settings that tend to produce accomplished artists? -if a new gene is added to the genome of a tomato species, will that species be more resistant to insects? -should humans use biotechnology to bring extinct organisms from the fossil record back to life? -do the types of organisms found in the fossil record appear in consistent sequences in different parts of the world? -are michelangelo's paintings more impressive than rembrandt's?

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.