Which statements identify what astronomers currently know and think will happen with our universe?

What is the mercury length of time for one revolution around the sun?

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

Which of the following statements best describes what is occurring in the land surrounding the sahara desert? a desertification is increasing, and the desert is expanding. b. fewer people are trying to farm in this semiarid region. c. the desert is shrinking with the increased use of irrigation. d. increased urbanization has resulted in decreased deforestation. select the best answer from the choices provided mark this and return save and exit next submit