Atmosphere A planet's climate is decided by its mass, its distance from the sun and the composition of its atmosphere. Earth's atmosphere is 78% nitrogen, 21% oxygen ...
Air pollution effects are many, and they may be really harmful. We discuss them in more detail in the article below.
The Carbon Cycle moves carbon among the reservoirs in the Earth system through a wide range of processes. The largest reservoir of carbon is Earth sediments.
Fleas suck! Learn how to use diatomaceous earth and remove them from your home in 3 simple steps. DE powder will give you relief from fleas!
This series shows the physical processes and human activities that shape our planet. From earthquakes and volcanoes to the creation of sea-floor crusts and shifting ...
Archives and past articles from the Philadelphia Inquirer, Philadelphia Daily News, and Philly.
Tsunami The oceans cover about 75% of the Earth's surface, so it is likely the asteroid will hit an ocean. The amount of water in the ocean is nowhere near large ...
1. Wear a dust mask. Mix diatomaceous earth with equal parts clean, dry sand to improve spreadability, and fill the hopper of the fertilizer spreader with the mixture.