Question
Question: One of the possible early sources of energy were/was...
One of the possible early sources of energy were/was
A
UV rays and lightening.
B
CO2
C
Chlorophyll
D
Green plants
Answer
UV rays and lightening.
One of the possible early sources of energy were/was
UV rays and lightening.
CO2
Chlorophyll
Green plants
UV rays and lightening.