ATMOSPHERE

The mixture of gases surrounding the Earth. The Earth?s atmosphere consists of about 79.1% nitrogen (by volume), 20.9% oxygen, 0.036% carbon dioxide and trace amounts of other gases. The atmosphere can be divided into a number of layers according to its m

Check Also

California’s composting mandate drives market growth

One year after California’s SB 1383 went into effect mandating organics recycling, 75% of jurisdictions …