Environmental Science
Which of the following has a wavelength shorter than that of violet light?

Blue light
Infrared radiation
Green light
Ultraviolet radiation
Red light

ANSWER DOWNLOAD EXAMIANS APP

Environmental Science
Biogas is composed of

methane, carbon dioxide, nitrogen and sulphur
carbon dioxide, nitrogen and hydrogen
ethane, carbon dioxide, nitrogen and hydrogen
methane, carbon dioxide, nitrogen and hydrogen

ANSWER DOWNLOAD EXAMIANS APP