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2 years ago

14

Which substance has been changed most over time from its original plant material?

2 answers:

juin [17]2 years ago

6 0

Answer:

the answer is b

Step-by-step explanation:

Contact [7]2 years ago

4 0

The answer to this is B. anthracite coal. Organic matter gradually turns into coal over many years of high pressure and temperature under the earth. The lowest form of coal is peat (where it is still recognizably plant matter), followed by lignite, then sub-bituminous coal, then bituminous coal, then anthracite. These are also ordered from lowest to highest composition of carbon.

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The pairs 3, 12 and 4, 9 are factor pairs of which number? A) 32 B) 36 C) 44 D) 82

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Answer:

$\Huge \boxed{\mathrm{B) \ 36}}$

$\rule[225]{225}{2}$

Step-by-step explanation:

A pair of factors are two factors of a number, when multiplied, gives the number.

$3* 12=36$

$4*9=36$

The pairs 3, 12 and 4, 9 are factor pairs of 36.

$\rule[225]{225}{2}$

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