Humankind wiped out the entire passenger pigeon populationion in 1940 - 1970!
The Rogue River is one of the only rivers to have a Summer Steelhead run!
Owl Pellets contain enough bacteria and nutrients to act like a mini ecosystem!
Using F-22 Raptors, it would only take an hour to drop enough bombs to wipe out Africa's Black Rhino's population!
There can never be more Consumers than Producers! (;
komatiite is the rarest igneous rock type!
The largest volcano type is Shield!
Lava cools and transforms to igneous rock!!
This beautiful formation is Arizona was carved by the wind over millions of years
The whole Earth's crust is the Geosphere!
Only 2.5% of the Earth's surface is freshwater
71% of Earth's surface is water!
This rock in oregon was carved out by the water to for a "natural bridge"!
Lake Baikal is the largest lake on Earth!
Victoria Falls is the largest group of waterfalls on earth!
Our air is only 21% Oxygen!
Earth's Atmosphere is about 14.7 pounds per square inch! (at sea-level)
Once meteors enter the Earth's atmosphere, they turn into Astroids!
Only 47% of the Sun'senergy reaches earths surface.
Cirrus is the most common type of clouds