The landform that is much of northern and eastern Europe would be plains.
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:the malanesian islands ,which include the papua New guinea
Which is closer to australia