On... Earth Day.
Arbor Day and Earth Day celebrate the earth and bring people to plant a tree.
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the purpose for earth day is to help save the earth
Wisconsin. See reference below. ~ TCK, AZNews results for What is the history of "Earth Day"?Telegraph.co.ukEarth Day 2010: A Brief History of Earth Day and a Look Back at 40 ...‎ -2 hours agoEarth Day is intended to inspire awareness and appreciation for the Earth's environment. It was founded by US Senator Gaylord Nelson of Wisconsin as an ... Gather.com - 896 related articles »The DIY Genius of the Original Earth Day‎ - Wired News - 398 related articles »
Day and night and the seasons
The day/night cycle results from the Earth rotating.
Each revolution of the Earth results in one complete day.
The earth's rotation results in daytime and nighttime.
The rotation of the Earth results in its day and night cycles. The exception to this is in the polar regions that have day and night for 6-months each due the Earth's tilt.
the different seasons and the length of day and night varies from place to place
Mainly, this is caused by Earth's rotation around its axis. (Earth's revolution around the Sun results in one less day per year, than the number of rotations.)
On Neptune, a day is about 16 Earth hours and 6 Earth minutes long. Neptune has a much longer day than Earth due to its slow rotation, which results in a longer day-night cycle on the planet.
An Earth day refers to the time it takes for the Earth to complete one full rotation on its axis, which is approximately 24 hours. This rotation results in the cycle of day and night as different parts of the Earth are exposed to sunlight. The concept of an Earth day is also celebrated globally on April 22 to promote environmental awareness and encourage actions to protect the planet.
A day on Earth is caused by the planet's rotation on its axis, which takes approximately 24 hours to complete. This rotation results in the cycle of daylight and darkness that we experience as the sun appears to rise and set each day.
The lengths of day and night vary around the Earth due to its axial tilt and elliptical orbit around the sun. Different latitudes receive different amounts of sunlight throughout the year, leading to variations in day length. This results in the changing durations of day and night throughout the year at different locations on Earth.
The speed of Earth's rotation on its axis determines the length of a day. A faster rotation results in shorter days, while a slower rotation results in longer days.