What combination of primary colors do we mix to get yellow

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

When the mercury level in a barometer decreases that atmospheric pressure has

What occurs when a cell engulfs large food particals