Select all that apply.
what is the difference between dna and rna?
a.) dna is a protein and rna is a nucleic acid.
b.) dna uses deoxyribose and rna uses ribose.
c.) dna has adenine and rna has thymine.
d.) dna has thymine and rna has uracil.

Me with these questions image attached

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen

Where is most of the fresh water on earth found a in the ocean b in glaciers and in ice caps c in rivers d in the soil