How long it takes astronauts to start experiencing the feeling of weightlessness in space?

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 amazon river is in africa true or false

The first mathematical theory of tides was introduced by: galileo kepler newton cousteau