Question

multiple select question select all that apply select all of the following that are true about continental drift in earths history. continental drift has caused the formation of the salty water that makes up earths oceans. the continents were once united into one supercontinent. plate tectonics can cause molten rock to emerge at earths surface. continents move at the same rate in the same direction, such that their positions move relative to the sea floor but not to each other.

Explanation:

Continental drift led to continents once being united in a super - continent. Plate tectonics can cause molten rock to emerge at Earth's surface.

Answer:

The continents were once united into one supercontinent.
Plate tectonics can cause molten rock to emerge at Earth's surface.