13. Which of the following is a bacterial disease? (a) Polimyelitis (b) Filariasis (c) Tetanus (d) Malaria​

Which of the following examples can cause gene flow between populations? a.an increase in predators to a population of zebra b.a volcanic eruption that kills half of a population of mice c.bird droppings that contain seeds from a different location d.a person that sprays a toxin on a group of mosquitoes

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Anurse is in the dining room and overhears a new nurse tell a client with body dysmorphic disorder that she's much too thin and must eat more before she can go home. the client bursts into tears and runs out of the dining room. what is the best way for the nurse to address this situation?