What metal is is usually used for wires in electric circuits

What field of science did harry hess study?

What amino acid is coded for by this sequence after the mutation

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures