B - Many Agricultural practices bear some pretty bad impacts on the environment. A, C and D are incorrect.
I say C. <span>it lowers the activation energy of a reaction in affects only very specific reactions. Correct me if I'm wrong tho...thank you ;)</span>
Answer: tt
Explanation: If the allele for a trait is recessive, it has to have 2 of that recessive allele to show that trait.
Nucleotides is the answer: they have a phosphate group, a deoxyribose sugar, and a nitrogenous base.