Question

1/ In the Northern Hemisphere, the aurora borealis or northern lights are caused by _____.

a. Earth's orbit moving in an ellipse and slightly off-center from the sun making Earth travel unusually close to the sun resulting in halo-type lights in the upper atmosphere

b. the magnetic field of the sun and its interactions with distant galaxies

c. energetic solar wind particles entering Earth’s upper atmosphere and colliding with atmospheric gases

d. our planet spinning on its axis faster than normal allowing solar wind to enter the upper atmosphere producing a large solar storm

2/ What process can be defined as energy being transferred from one object to another because of the temperature difference between them?

a. convection

b. insolation

c. heat

d. isothermal balancing

3/ Selective absorbers are objects, such as gases in our atmosphere that selectively absorb and emit _____.

a. radiation

b. carbon dioxide

c. oxygen

d. water vapor

Answer 1