Please solve this don't put anything random

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.

Which one of the following research methods can show cause and effect