Karissa is conducting an experiment on the amount of salt that dissolves in water at different temperatures.
What can Karissa do to increase confidence in the results of her experiment? Check all that apply.
have another scientist run the same exact procedure in her lab
include several other liquids for comparison
calculate the average amount of salt that dissolves to summarize findings
test water temperature many times with the same procedure
make sure the experiment follows a specific procedure that allows other scientists to produce the same findings

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.