Using complete sentences, explain how tensions between the U. S. and the USSR contributed to the development of the North Atlantic Treaty Organization (NATO), The Warsaw Pact, and the Cold War?

Scientists think that convection currents flow in earth’s a. continents. b. mantle. c. lithosphere. d. inner core.

Rainbow trout is non- native to the united states. however this species is breeding with the native gula yltrout acientistrecently observed that the hola trout were becoming exitinct what is the cause of their extinction

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4