Which disease might be prevented by not sharing a water bottle?
a. mononucleosis
b. conjunctivitis
c. tooth decay
d. salmonella poisoning

Which layer will become saturated first when rain falls?

When plants use sunlight to make food, the energy of sunlight is

In a cladogram, what occurs at a node? a derived trait appears. evolution is stopped. an ancestor dies. the cladogram ends. aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100%