In the early Solar System, when the Solar System had yet to be cleared of the debris out of which it formed, which type of object would have been most likely to deposit water onto Earth's surface?
A) a comet
B) an asteroid
C) a Mars-sized protoplanet
D) Both comets and asteroids appear to be sources.
E) None, because water is not a major component of any of the objects above.

Question

Quizplus · Accepted Answer

Both comets and asteroids are believed to have contributed to Earth's water, as they contain significant amounts of water ice and hydrated minerals.

In the Early Solar System, When the Solar System Had