An igneous rock floats because air bubbles became trapped when molten material erupted from an underground volcano.

how else can this rock be accurately described? check all that apply.

intrusive
extrusive
small crystals
cooled quickly
coarse texture

Soweto was the site of one of the that swept across south africa in the late 1970s. in his effort to end apartheid, desmond tutu turned to . the united states responded to south africa’s apartheid policy in the 1980s by .

How do ocean currents affect temperature? check all that apply. they carry cold water from the poles to the equator and cool air over land. they flow north and then south below the equator. they flow south and then north above the equator. they move warm water from the equator to the poles and heat air over land. they move east to west and create prevailing winds. they move west to east and create seasonal winds.

The earth rotates on its axis and revolves around the sun every