Select all that apply.

problems with solar energy include

the inability of current technology to capture large amounts of the sun's energy
the inability of current technology to store captured solar energy
inconsistencies in the availability of the resource
lack of demand for solar energy

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