Which planets are known to have sizable amounts liquid water? earth and mars earth only earth and venus earth and neptune

Which of the timelines above correctly shows the order of historical events on the african continent? a. one (1) b. two (2) c. three (3) d. four (4)

Along with timber, what is a common export harvested from southeast asia?

Which process is a source of outdoor air pollution? check all that apply. burning gasoline at a refinery releasing fumes at a chemical plant emitting particles from a dump truck releasing radon gas from a generator emitting carbon monoxide from a heater