Earth Science Regents Practice

Which tranfer of energy occurs mainly through the process of convection? (1) electromagnetic enrgy transferred fromt he Sun to the Moon (2) solar energy transferredthrough space to Earth's surface (3) heated air in the lower atmosphere transferred upoward by density differences (4) heat from radioctive decay transferred by molecular collisons to surrounding mantle rock

(3) Convection involves the transfer of heat due to density differences within a fluid. Heated air in the lower atmosphere transferred upward by density differences.

Which motion causes some constellations to be visible in New York State only during winter nights and otehr constellations to be visible only during summer nights? (1) Stars in constellations revolve around Earth (2) Stars in constellations revolve around the Sun (3) Earth revolves around the Sun (4) Earth rotates on its axis

(3) Earth revolves around the Sun