Across
1
Unit of energy
4
Basic unit of life
6
Gas essential for breathing
7
Path of a planet around the sun
Down
2
Tectonic landmass section
3
Unit of electric potential
4
Reddish electrical conductor
5
Blocking of light by a celestial body
Unit of energy
Basic unit of life
Gas essential for breathing
Path of a planet around the sun
Tectonic landmass section
Unit of electric potential
Reddish electrical conductor
Blocking of light by a celestial body