is a way of solving problems and finding answers to questions using observation and investigation to gain knowledge about events in nature. I'll give brainliest for this answer?

9. the history of life on earth is recorded in

What’s the student’s scientific question

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