Author Question: If life exists on Mars today it will most likely be found A) everywhereon the surface, beneath ... (Read 88 times)

KimWrice · **on:** Jul 27, 2018

If life exists on Mars today it will most likely be found

A) everywhereon the surface, beneath the surface, and in its atmosphere
B) on the surface
C) beneath the surface
D) in its atmosphere

Question 2

Al is moving by you at a very high speed (close to the speed of light). You get out a clock and measure 10 seconds going by. If you also watch a clock in Al's ship, how much time will you see it record during your 10 seconds?

A) Al's clock will record less than 10 seconds.
B) Al's clock will record more than 10 seconds.
C) Al's clock will agree that 10 seconds go by.

sarah_brady415 · **Reply #1 on:** Jul 27, 2018

Answer to Question 1

C

Answer to Question 2

A

Twin sisters, Gwen and Jackie, were both 20 years old in the year 2000. Jackie took off on a round trip to Vega, 25 light-years away. She traveled at an average speed very close to the speed of lightsay, 0.9999c.