Need the answer asap worth 20 points need the right answer

The impact of a large asteroid comet with earth has been proposed to have caused the extinction of the dinosaurs. the impact site of this comet is in or near

The district of columbia could be eliminated completely if a majority of congress voted in favor of the action. a. true b. false

High human population have had a negative effect on what issue? a. demand for consumer goods b. ability to staff armies c. business profits d. biodiversity