Question 1
The Sun produces which of the following?
◦ mainly visible light and infrared energy
◦ mainly ultraviolet and X-rays
◦ only solar wind
◦ only radiant energy that is beneficial to life
Question 2
The Sun's
altitude refers to
◦ the angular distance from the equator to the latitude at which direct overhead insolation is received.
◦ the angular height of the Sun above the horizon.
◦ the subsolar point.
◦ how far the Sun is from Earth.