How many realms of the earth are there?
four realms
What are the four main realms of the earth explain how a cement factory would impact the various realms?
the four realms of earth : lithosphere , hydrosphere , biosphere and atmosphere. lithosphere : the outer most solid layer of the earth that is composed of rocks and soil is known as lithosphere.it is also called the crust of the earth.
In which layer of Earth’s water is found?
hydrosphere, discontinuous layer of water at or near Earth’s surface. It includes all liquid and frozen surface waters, groundwater held in soil and rock, and atmospheric water vapour. Earth’s environment includes the atmosphere, the hydrosphere, the lithosphere, and the biosphere.
What is Earth’s air?
Air is mostly gas It’s a mixture of different gases. The air in Earth’s atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of lots of other gases, too, such as carbon dioxide, neon, and hydrogen.
Why is the Earth’s atmosphere so hot?
The sun heats the surface of the Earth, and some of this heat goes into warming the air near the surface. The heated air rises and spreads up through the atmosphere. So the air temperature is highest near the surface and decreases as altitude increases.
Can a human survive reentry?
yeah, you could drop straight down without massive amounts of heating due to atmospheric friction. But you can’t, so you need a heck of a lot of heat shielding, and eventually some specialized chutes to slow you down and then bring you down in on piece.
Why is it so difficult to leave Earth’s atmosphere?
Gravity is proportional to the square of the distance between centers of mass. The surface of the earth is about 4000 miles from the center, so the extra 50 miles to get above atmosphere don’t much lessen gravity.
What is the fastest spacecraft ever?
Parker Solar Probe
How fast does SpaceX travel?
17,000 mph
Can Falcon 9 go to the moon?
SpaceX is set to send a payload to the moon in 2023, using its larger (and infrequently used) Falcon Heavy launch vehicle. It will not, however, be SpaceX’s first lunar outing, as the company has booked missions to launch lunar landers as early as 2022 on behalf of both Masten and Intuitive Machines.
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