1313 JanJan 20212021 AirAir Around 50 percent of the oxygen we breathe comes from phytoplankton,” Phytoplankton are tiny plants that live on the surface of oceans and lakes. #air #atmosphere #properties of air #composition Category: Science for Students Tags: #Air #Argon #balloon #Breeze #Bulbs #Gale #Nitrogen #Oxygen #tyres Lets LearnView More