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Sedaia [141]
2 years ago
9

How do you tell wether a substance is a rock or a mineral

Biology
2 answers:
kkurt [141]2 years ago
8 0
Minerals are pure, and rocks have different minerals all combined to create the rock
charle [14.2K]2 years ago
3 0

Answer:

A mineral is a pure substance with a specific composition and structure, while a rock is typically a mixture of several different minerals.

Explanation:

(although a few types of rock may include only one type of mineral). Examples of minerals are feldspar, quartz, mica, halite, calcite, and amphibole

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the graph demonstrates the quantitative variation for skin pigmentation. which conclusion is supported by the graph? a)more than
BartSMP [9]

Answer : Option D) Fewer people have skin pigmentation lighter than the central peak than people who have pigmentation darker than the central peak.

Explanation : The quantitative variation which is shown for the skin is best explained by option D. Which shows that fewer people have got skin pigmentation which is lighter than the central peak in the graph, compared to the people who have darker pigmentation than the central peak.

4 0
3 years ago
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The world’s first national park established in 1872 was __________.
Andre45 [30]

Answer:

Yellowstone

Explanation:

<em><u>Yellowstone</u></em><em><u> </u></em><em><u>National</u></em><em><u> </u></em><em><u>Park</u></em><em><u> </u></em> was the first national park established in 1872..

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3 years ago
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An allosteric protein demonstrates a decrease in its Kg for molecule Y as the concentration of molecule X increases. Based on th
djyliett [7]

Answer:

X is negative heterotropic modulator

Explanation:

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A positive or negative modulator can either be homotrophic (substrate acts as modulator) or heterotropic (another ligand acts as modulator).

In the example above, X is negative heterotropic modulator, because the modulator is different from the substrate and it also decreases the enzyme activity.

4 0
2 years ago
Easy questions, easy points​
777dan777 [17]

Answer:

Pretty sure they're both A.

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2 years ago
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Explain how drooping of leaves on a hot sunny day is advantageous to a plant
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2 years ago
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