true
False. Ponds do not form where freshwater and saltwater meet. They are usually man-made.
False
Sort of true - its mostly water which is mostly oxygen.
False. Almost all of the oxygen on Earth is found in the oceans.
false
True
true
True
False, the crust is Earth's outer skin of rock. The core is a body of metal at earth's center.
That is false
False. Earth is actually closest to the sun in early January, a position known as perihelion.
False. Earth is actually closest to the sun during the month of January.