Across
1
Compound containing oxygen
5
Unit of heredity
7
The Red Planet
8
Tectonic landmass section
Down
2
Naturally occurring inorganic solid
3
Biological catalyst
4
Unit of energy
6
Mass per unit volume
Compound containing oxygen
Unit of heredity
The Red Planet
Tectonic landmass section
Naturally occurring inorganic solid
Biological catalyst
Unit of energy
Mass per unit volume