Astudent soaked 50 lima bean seeds and 50 green bean seeds in water for 24 hours and planted them in soil at a depth of 2 cm, using the same amount of water, light, and heat for each type of seed. she measured every 3 days to determine which type of seed grew the fastest. what part of the scientific method is being described?

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