Across
1
Group of similar cells
5
Preserved remains of ancient life
6
Gas essential for breathing
7
Compound containing oxygen
Down
2
Amplified beam of light
3
Tectonic landmass section
4
Unit of force
8
The Red Planet
9
Form of thermal energy
Group of similar cells
Preserved remains of ancient life
Gas essential for breathing
Compound containing oxygen
Amplified beam of light
Tectonic landmass section
Unit of force
The Red Planet
Form of thermal energy