Science can answer which of the following questions? is there an afterlife? how large is the milky way? does butter tastes better than margarine? who will win the next nobel peace prize in science?

What are some things that limit population growth?

Astudent conducts an experiment to determine how the amount of water given to a plant affects it growth what is the dependent variable for this experiment

Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food