At four weeks, the embryo is developing . a) fingers and toes b)the heart , liver, and brain c)hair and adding mass. d)stomach and bones. the inner ear is fully developed at a)1 month b)3 months c)9 months d)5 months

While carrying a rack of tubes containing blood to be discarded in the biohazard container, jennifer slips and falls. the tubes scatter everywhere, but, fortunately, only three of them break. this accident occurred in the main hallway, so jennifer needs to think fast and get this mess cleaned up. what ppe should jennifer apply?

When you have proper posture, your back is arched. a. true b. false

Viral infections in plants ) can be controlled with antibioticsb) can spread within a plant via plasmodesmata c) have little effect on plant growthd) are not spread by animals