Plants Convert Carbon Dioxide Into Oxygen Vintage Trade Ad Card For Sale

Plants Convert Carbon Dioxide Into Oxygen  Vintage Trade Ad  Card


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Plants Convert Carbon Dioxide Into Oxygen Vintage Trade Ad Card:
$6.99


Plants Convert Carbon Dioxide Into Oxygen Vintage Trade Ad Card
NOTE: THESE ARE NOT POSTCARDS THEY ARE TRADE/ADVERTISING CARDS.THEY ARE MUCH SMALLER THAN A STANDARD POSTCARD AND THERE IS ADVERTISING TEXT ON THE BACK!
THE CARD DIMENSIONS ARE APPROXIMATELY 2 5/8 '' x 1 3/8 '' or 6.5 cm. x 3.5 cm. THIS IS AN ORIGINAL VINTAGE TRADE ADVERTISING CARD
WHERE DOES OXYGENCOME FROM
Plants developed on this earthwhen there was no oxygen.Plants need a gas called car-bon dioxide but this gas wouldpoison human beings if theyinhaled much of it. Whenplants take in carbon dioxidethey give out oxygen. All theoxygen in the air has beenmade by plants. When webreathe in, we take in oxygenand breathe out carbondioxide which the plants con-vert back into oxygen for us.Future space travellers maytake small plants with them intheir rocket ships to soak upthe carbon dioxide and turn itback to oxygen.
NOTE:THE REVERSE SIDE HAS TEXT THE CARD DIMENSIONS ARE APPROXIMATELY 2 5/8 '' x 1 3/8 '' or 6.5 cm. x 3.5 cm.NOTE: THE IMAGE ABOVE IS LARGER THAN THE CARDTO SHOW THE DETAIL.SEE SCALED IMAGE ABOVE.
IT IS NOT PERFECT AND THIS CARD MAY HAVESLIGHT PAPER LOSS SMUDGINGROUNDED CORNERS SURFACE CREASENOTESEE THE IMAGES ABOVE!10WE COMBINE SHIPPINGBUY 1 TO 4 TRADE ADVERTISING CARDS AND THE TOTAL TO SHIP IS $2BUY 5 TRADE ADVERTISING CARDS AND SHIPPING IS FREENOTE:ON LARGER INTERNATIONAL ORDERS WE MAY REQUIRE REGISTERDMAIL AND WILL SPLIT THE COST WITH THE BUYER.INQUIRE IF CONCERNED!


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