a retractable service pit cover can help other shop employees from falling into the pit while another technician is in the pit servicing a car.

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force

Earth's atmosphere is unique among the planets and is able to support life because it contains a large amount of a) oxygen b) helium c) methane d) carbon dioxide

The alien enemies act of 1798 allowed the president to deport noncitizens considered dangerous. allowed the president to ignore laws he believed unconstitutional. made immigrants wait longer before becoming citizens. made it a crime to criticize the federal government.the alien enemies act of 1798 allowed the president to deport noncitizens considered dangerous. allowed the president to ignore laws he believed unconstitutional. made immigrants wait longer before becoming citizens. made it a crime to criticize the federal government.