What gas contributes to 78% of earth's modern atmosphere?
a. argon
b. nitrogen
c. oxygen
d. carbon dioxide

Which topic is most likely to be studied by bo which topic is most likely to be studied by botanist? insect metamorphosis, viral infection, plant growth, animal physiology

Karen is a forensic scientist whose purpose is to identify and evaluate physical evidence. which of the following tasks does she perform? a. reporting results of scientific analysis b. interviewing suspects c. questioning witnesses d. preparing victims for burial

Can result as a complication of diabetes due to damage to the arterial walls and excess fat in the blood.