The earthquake was a magnitude 7.0 on the Richter scale. It struck at 8:46 pm local time on January 12, 2010. The epicenter was located about 25 kilometers (15 miles) southwest of Port-au-Prince, Haiti.

Drought is a period of below-average precipitation in a given region, resulting in prolonged shortages of water. Droughts can last for months or even years, and can have devastating impacts on agriculture,

An avalanche is a large mass of snow, ice, and rock that slides down a mountainside. Avalanches are one of the most dangerous natural hazards in the world, and they can occur without warning. The first

A tornado is a violently rotating column of air that extends from a thunderstorm to the ground. Tornadoes are capable of causing tremendous destruction and loss of life. The first recorded tornado in history

Thunder is the sound made by lightning. The history of thunder is long and varied, with many different cultures and religions attributing different meanings and origins to the phenomenon. In some cultures,

Lightning is a naturally occurring electrical phenomenon caused by the buildup of static electricity in the atmosphere. When the static electricity becomes too strong, it discharges in the form of a lightning

Snow is a type of precipitation that falls from the sky in the form of white, fluffy flakes. It is made up of tiny ice crystals that form when the air is cold and humid. Snow is a popular winter activity

Rain is liquid water in the form of droplets that have condensed from atmospheric water vapor and then precipitated—that is, become heavy enough to fall under gravity. Rain is a major component of the

Cloud computing is the delivery of computing services—including servers, storage, databases, networking, software, analytics, and intelligence—over the Internet (“the cloud”) to offer faster innovation,

The exosphere is the outermost layer of Earth's atmosphere (i.e. the uppermost layer of air). It extends from the top of the thermosphere to about 10,000 km (6,200 mi) above the surface of the planet.

The thermosphere is the layer of the Earth's atmosphere directly above the mesosphere. The thermosphere extends from an altitude of approximately 80 km (50 mi) up to the edge of space at an altitude of

Mesosphere is a data center operating system that enables organizations to deploy and manage large-scale distributed systems, including containerized applications, big data frameworks, and microservices.

The stratosphere is the second layer of Earth's atmosphere, just above the troposphere. It extends from about 10 kilometers (6 miles) to 50 kilometers (31 miles) above Earth's surface. The stratosphere

Definition The troposphere is the lowest layer of Earth's atmosphere, extending from the planet's surface to an altitude that varies with location but typically ranges from about 7 to 17 kilometers (4

Leaves are the main organs of photosynthesis in most plants. They are typically green and flat, with a network of veins that transport water and nutrients throughout the plant. Leaves are also responsible

Gray birch is a small to medium sized tree that typically grows to 20-30’ tall with a narrow, upright-oval to columnar crown. It is native to woodlands, swamps and bogs in eastern North America. It is

Paper birch is a deciduous tree that is native to North America. It is also known as the white birch, canoe birch, or silver birch. The tree gets its name from the thin white paper-like bark that peels

Black birch is a deciduous tree that can grow up to 30 m (100 ft) tall. It has a smooth, black bark that is often used in making furniture and other wood products. The leaves are ovate-shaped and have

It is the largest and most widely distributed of the ash species. The tree grows to a height of 50-80 feet and has a diameter of 2-3 feet. The bark is gray and smooth with a distinct diamond-shaped pattern.

The American beech is a large deciduous tree that can grow up to 100 feet tall. It has a smooth, gray bark and elliptical leaves that are 2-5 inches long. The American beech is found in eastern North America,