Describe one way scientists near Lake Tahoe can detect if the lake has been impacted by zebra mussels.

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.

In the figure, polygon abcd is transformed to create polygon a′b′c′d′. this transformation is a by a factor of .

Which of the following statements about wearher along mountain ranges is correct