To see if there was life living on mars...All living things need water so if there was water on mars life could exist no matter how small
It would not be good for finding the volume of an object that is less dense than water. Such an object would float and therefore would not displace its full volume worth of water.
Astronauts carry water into space because they would die without water. Also their urine is purified and recycled for drinking water.
acceleration
I would suppose that the scientist with the super powered telescopes would discover planets before the astronauts would.
Three astronauts
we
Which two astronauts are you asking about. Supplying their names would help us answer you.
The correct capitalization would be "Did your astronauts land on the moon?"
There would only be about an inch of water in a given area.
OBVIOUSLY
the plant will eventually die
we can get clear water from a given sample of a muddy water by the method of decantation.