What percentage of the atmosphere consists of carbon dioxide? Is it approximately: a) .03% (read: three-hundredths of a percent) b) 1% c) 5% d) 7%
option a. Carbon dioxide (CO2 ) constitutes about 0.03% (three hundred components consistent with million) of the atmospheric gases.
option a. Carbon dioxide (CO2 ) constitutes about 0.03% (three hundred components consistent with million) of the atmospheric gases.
