I think it is the first one
Answer:
since water takes a long time to heat up and a long time to cool down, land masses along these coastal regions have more moderate temperature ranges than those of land masses inland on the same latitude
I agree on that. it's not like there is completely no force of gravity acting on them (I mean if they're still around the earth) , it's that it's so little that they can't even notice it. they'll float around and they seems like they have no weight. this is called weightlessness.
Answer:
c
shape like a straight line