B. Better managing our natural resources
They will have to adapt to climate.
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.
1 to C, 2 to E, 3 to A, 4 to B, 5 to D
We cant see the picture sorry