Answer:
a non testable question can be, what is better, chips or ice cream?
Explanation:
The answer is A: '<span>underwater landslides </span>'. Underwater landslides would cause a wave, rather than a current. Ocean waves are caused by energy passing through water. An ocean current on the other hand is a mass of water moving in a definite direction through another mass of water. This movement is driven by forces that could be derived from surface winds, tidal fluctuations and seawater density contrasts.
Yes they contain a permanent vacuole