Which does not represent one of koch’s postulates?
a: isolate germs from an infected animal
b: grow germs in a lab culture
c: inject germs into a healthy animal
d: watch to determine how long it takes for the healthy animal to become ill

Why is it that people at first would be nice then they shut you down? (school matter)

If you see someone who is injured at a workplace, the first thing you should do is a. call 9-1-1 or your local emergency number b. begin to administer first aid c. check the scene for danger d. try to discover what is wrong with the person select the best answer from the choices provided a b c d

Frankie is having difficulty developing a friendship with histeammate curtis. whenever frankie invites curtis to hangout with him at the park, curtis always says that he's busy.what is most likely preventing a healthy relationship fromforming? a)the boys are not being generous with their time andeffort.b)the boys are not communicating.c)both boys are too busy.d)the boys are on different teams.