Author Question: Six months of darkness at the South Pole begins when the Sun is at the a. winter solstice. b. ... (Read 76 times)

amal · **on:** Jul 28, 2018

Six months of darkness at the South Pole begins when the Sun is at the
a. winter solstice.
b. summer solstice.
c. autumnal equinox.
d. vernal equinox.

Question 2

What happens to a sample of water when its temperature is reduced between 4C and 100C?
a. Its density increases.
b. It vaporizes.
c. Its density decreases.
d. Its density remains constant.