Help, answer 1-21 I can do 22 myself

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

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.

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation