The is a colored muscle that constricts when you enter a dark room or feel disgust. iris cornea retina fovea

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

What advantages does a pedigree have over a written passage?

Asegment of dna that codes for rna and a protein is a