Which type of pathogen is of greatest concern to epidemiologists?

one that is less virulent and less contagious
one that is more virulent and more contagious
one that is more virulent and less contagious
one that is less virulent and more contagious

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

Which of the following is a good strategy when it comes to desserts

Astudent sees several ants walking up a wall following the exact same trail that an ant took earlier. she wants to apply the scientific method to determine how the ants detected the trail. which of these steps would come first in her application of the scientific method? perform an experiment by cleaning the scent away from part of the trail. draw a conclusion that the ants follow a scent trail. make a prediction about what the ants will do after she cleans away part of the trail. hypothesize that the ants are following a scent trail that the first ant left.