False
radiation doesn't need to displace matter or a medium to transfer energy
Answer:
astronauts age is 32 years
correct option is e 32 years
Explanation:
given data
travels = 20 light year
stay = 2 year
return = 52 years
to find out
astronauts aged
solution
we know here they stay 2 year so time taken in traveling is
time in traveling = ( 52 -2 ) = 50 year
so it mean 25 year in going and 25 years in return
and distance is given 20 light year
so speed will be
speed = distance / time
speed = 20 / 25 = 0.8 light year
so time is
time =
time =
time = 15 year
so age is 15 + 2 + 15
so astronauts age is 32 years
so correct option is e 32 years
Answer:
Moon appears lit on the right half of the Moon during the First Quarter. The Moon appears lit on the left side during the Third Quarter because the Moon is on the other side of Earth. Again, if you think of the baseball analogy, and you’re standing at home plate, the first base or First Quarter is on your right side.
Explanation:
i hope is help
The answer is reveal urges and desires mask by the unconscious mind. According to Freud, Dreams reveal urges and desires mask by the unconscious mind. In terms of the unconscious. The purpose of dreams, as stated by Freud, is to fulfill repressed wishes through the process of dreaming, since they cannot be fulfilled in real life. .In our dreams, we can understand what it is what we want and desire, things that we might not be able to admit to ourselves while we are awake. Dreams also reveal our unconscious mind, the things we might want or need, but do not even realize ourselves.
Answer:
So, for noble gases, they already have their outermost shells filled completely so they need not donate or accept any electrons. For example: Argon has atomic no 18 ,i.e E.C = 2,8,8. They are already stable. So, they don't need to form ions.
pls mark brainliest
hope it helps you!!!!!!