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vampirchik [111]
3 years ago
8

If x=0 , which of the following is equivalent to the expression below

Geography
1 answer:
MrRissso [65]3 years ago
6 0
D. 4x^2 - 3 is the correct answer. This is because we just break the original expression down into two fractions and then simplify them

(8x^3 - 6x)/2x becomes these two fractions:

8x^3/2x - 6x/2x

These two simplify down to your answer, 4x^2 - 3
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5. Which of the following causes Earth to experience daytime and nighttime?
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The correct answer is The rotation of the Earth

Explanation:

Besides orbiting around the Sun which leads to seasons, Earth is all the time rotation on its axis, this movement occurs eastward and the movement is completed every 24 hours, due to this, a day is considered to last 24 hours. Besides this, due to the rotation of Earth different zones or areas in the planet are directly exposed to the sunlight during different periods, which leads to daytime and nighttime, considering daytime as the period in which a zone is illuminated by the Sun while in the nighttime the zone remains in the dark. Additionally, this phenomenon also explains why daytime and nighttime do not occur at the same time on all Earth. Thus, it is the rotation of the Earth the one that causes Earth to experience daytime and nighttime.

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4. The most important economic factor for commercial fisheries is profitability - this is the
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3 years ago
Which of the following human activities does not increase the rate of erosion?
taurus [48]

Answer:

The correct answer would be B, the cultivation of less land.

Explanation:

Cultivated land is arable land that is worked by plowing and sowing and raising crops. For example, ploughland, plowland, tillage, tilled land, tilth, and farmland. A decrease in land cultivation would result in less plowing and sowing, therefore creating a decrease in the rate of erosion.

5 0
3 years ago
Please help!! (This is a PLATO question by the way)
klasskru [66]

Answer:

Blank 1 : Methane

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Burning of biomass would produce carbon dioxide to a large extent. Methane produced would fuel the burning process so as to release significant amount of carbon dioxide.

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These seeds only needs to be pressed onto the surface of the soil where they can easily access sunlight and kept moist to germinate.

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3 years ago
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