Groundwater contamination occurs when man-made products such as gasoline, oil, road salts and chemicals get into the groundwater and cause it to become unsafe and unfit for human use. ... Road salt, toxic substances from mining sites, and used motor oil also may seep into groundwater.
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Answer:
C. Where meteorites come from
Explanation:
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tobimajeko
Middle School Social studies 5+3 pts
Although scientists have studied meteorites and know that there are two major types, what are they still unsure of?
Report by Samnicholls538orwwoi 27.06.2017
Answers
tobimajeko
TobimajekoAmbitious
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cnavia19
Cnavia19Ambitious
Answer:
The correct answer to the question is that although scientists have studied meteorites and know that there are two major types, they are still unsure of the exact location from which they came.
Explanation:
Meteorites, Meteors, and Meteoroids, are types of space rocks, that have been classified by science according to where they are at a certain point in time. A Meteoroid, is the name given to the space rock that is still outside of the Earth´s atmosphere, and it can be as small as sand grains, or as big as an asteorid. A Meteor, is a piece of a Meteoroid that enters the atmosphere, and while most are burned against the planet´s surface, some make it in and can be found. When the piece makes into Earth, and hits the ground, they are known as Meteorites. Scientists know exactly the origin of these rocks (planets, stars, asteroids, moons) and they can calculate their general locations. But what they still cannot predict with certainty is the exact location from which a Meteoroid, or asteroid, will come from.
The combination of the weathering and erosion of the stream bank and the cutting into the bedrock from the velocity of the stream combine to make a "stream valley".
<h3>
What is stream valley?</h3>
A stream valley is an earthen dip where water is present at its lowest point. These valleys are the result of erosion, which is the transfer of decomposed rock or soil from one location to another.
The formation of stream valley is given below-
- The typically V-shaped stream valley is changed to a U-shaped valley because the U-shape offers the flowing glacier the least amount of frictional resistance.
- Because a glacier's cross section and viscosity are substantially greater than those of a river, its route has fewer and wider bends.
To know more about characteristics of weathering, here
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Because if there are no plants the animals move , adapt, or die and if there are a lot of plants there tends to be a large ecosystem
Answer: Plant Adaptations
Explanation: In order for the grasses to survive the dry season they have to develop on where they live and to adapt to their environment quickly
