The answer is D. Run only full loads in the washing machine and dishwasher.
B doesn't seem like a good idea, C uses more water, and A would save water but not as much as the washing machine and dishwater use.
The answer is all of the above
The answer would be Linnaeus primarily used physical characteristics.
MRNA or messenger RNA. As the central dogma of biotech goes, DNA is transcribed to mRNA which is translated to tRNA, after which the amino acids form peptide bonds and form proteins. So when you see transcription, the first thing you think of is DNA to mRNA.