The microbe is found in all cases of the disease but is absent from healthy individuals. b. the microbe is isolated from the diseased host and grown in pure culture. c. when the microbe is introduced into a healthy, nonhuman experimental host, the same disease occurs. d. the same strain of microbe is obtained from a newly diseased host.

If scientists are wrong about earth's age based on radioactive material and the decay rates are really much faster, how would nuclear power plants be affected?

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point