As it grew, that huge sequoia tree towering 300 feet [90 m] above you was made mostly out of thin air, one carbon - dioxide molecule and one water molecule at a time, in countless millions of microscopic ‘ assembly lines ’ called chloroplasts.
See sinu pea kohal kõrguv 90 - meetrine hiiglaslik sekvoia on pandud ühe süsihappegaasi molekuli ja ühe veemolekuli kaupa kokku suuremalt osalt paljast õhust lugematutes miljonites mikroskoopilistes „montaažikonveierites ”, mida nimetatakse kloroplastideks.