3 Which of the following is a similarity among asteroids, comets, and meteoroids?
А
They are remnants of the formation of the solar system.
B
None of them possess atmospheres of their own.
с
They may be seen from Earth with a telescope.
D
All of the above.
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Can someone me with 6 to 10 plz this is for masteries test.

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world

2-bromo-2-methylbutane undergoes an e1 elimination reaction in the presence of ethanol. in the next reaction only one of the possible products is represented. although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. complete the mechanism and draw the missing substances.