useful to read

How fast can trains go?
High-speed trains can generally reach 300–350 km/h (190–220 mph). On mixed-use HSR lines, passenger train service can attain peak speeds of 200–250 km/h (120–160 mph).

Forests are home to over 80 percent of land animals and plants and cover 31 percent of the world's total land area. About 1.6 billion people around the world depend on forests for their livelihoods and daily subsistence needs. 2) A tree can sequester up to 150 kilograms of carbon dioxide per year.

How fast do parachutists fall?
An average parachute has a vertical descent rate of around 17mph (although much faster and sportier ones are available) with a glide ratio of 1:1. This means they fly at approximately a 45-degree angle.

What does a chick like to do?
Roosts and swings are a great way to inspire your chicks' natural instinct and their need for exercise. While chicks will continue to sleep under their heat lamp, during the days, they'll love jumping on and off roosts and enjoying the world from a higher perspective.

How fast can a plane go?
Airplanes travel at speeds ranging anywhere from just over 100 mph up to nearly 2,200 mph. Personal aircraft typically travel between 120 - 200 mph; commercial airplanes fly between 500 - 700 mph, and military aircraft can travel at speeds around 1,200 - 2,200 mph.

How did cherries get their name?
Cherries derive their name from the Turkish town of Cerasus. Turkey remains the largest cherry producing region in the world. Cherries migrated with the colonists from Europe in the 1600's. In 1847, a man named Henderson Lewelling traveled from Iowa to western Oregon by ox cart.

Fact #1: Americans typically refer to this time of year as “fall,” while the British use the word “autumn.” Both terms date back to the 16th century but before that it was called “harvest. Fact #2: Fall was called “harvest” because of the “harvest moon” that occurs when the full moon is closest to the autumn equinox.

Waterfalls are created by the erosion process. Sediment in water can erode soft bedrock and overtime it will completely erode all the soft bedrock until only harder rocks remain. There are many different types of waterfalls, a few examples are plunge, horsetail and cataract.