If 3 tan a = cot a and a is an acute angle find ∠ a

Why should children should be allowed to vote at elections? explain

Match each fossil with the layer where it’ll be present based on those conditions.

Dna is a polymer of which consist of a sugar, a phosphate group, and a a. amino acids; nucleotide b. nucleic acids; nucleotide c. nucleotides; nitrogenous base d. nucleotides; nucleic acid e. proteins; nucleotide