Nearly 4000 exoplanets
Explanation:
Nearly 4000 exoplanets have been confirmed by NASA till date.
An exoplanet is planet outside of the solar system. Such planets do not have the sun as their star.
They are made up of other star systems in our galaxies.
There are about 4,173 confirmed exoplanets in 3,096 systems, with 678 systems having more than one planet.
Some of these planets have been proposed to be earth-like and support life too sparking the controversial claim about alien life.
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Astronomical units brainly.com/question/12904051
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Race because the fact or state of belonging to a social group that has a common national or cultural tradition
Creep - this type of mass wasting occurs during a long period of time (with velocities recorded at only a millimeter per year. The steeper the slope of the land gets, the faster the movement. The gradual increase and decrease of temperature contribute to this type.
Flows - the fluid-like motion of the soil and regolith. Examples of which are mudflows and lahars. This is mainly due to the presence of water in the material.
Landslide - the accelerated movement of earth material down a slope. The most common cause is accumulated rainfall over a period of time, albeit human factor comes into play as well, such as deforestation and blasting.
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