Author Question: Venus and Earth started out with roughly the same amount of water. While Earth still has water in ... (Read 42 times)

casperchen82 · **on:** Jul 29, 2018

Venus and Earth started out with roughly the same amount of water. While Earth still has water in abundance, all of Venus' was lost. Where did it go?

A) It chemically combined with CO2 to form H2CO3.
B) Ultraviolet rays split the hydrogen from the oxygen components, and the hydrogen escaped into space.
C) It all evaporated into space due to the intense daytime heat of 470C.
D) Scientists are still trying to determine this.

Question 2

How do the wind speeds of the Martian atmosphere compare with those of Earth?

A) about the same as Earth's
B) about one tenth of Earth's
C) about 50 of Earth's
D) about ten times more than Earth's