10.5.2 Fill in: imagery, particles, dioxide, atmosphere, surface.
1 Releasing carbon
on Mars would
make it warmer.
2 The scenery in the film was created using
computer-generated
3 Space is a vacuum because it contains no
4 It would be difficult to live on the moon
because it doesn't have a(n)
5 Mars is called the 'red planet' because it has
got a red
