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Geography

1 answer:

ziro4ka [17]2 years ago

4 0

Answer:

The correct answer is - B. talc is the softest mineral.

Explanation:

Mineral talcs are clay mineral made up of hydrated magnesium silicate that is a translucent mineral with a pearly luster and not metallic luster. It is the softest mineral present with hardness of 1 on Mohs scale.

It is cleaves in thin layers to make powder or talc. It is used as baby powder mixed with corn starch. The chemical formula is Mg3Si4O10(OH)2.

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Identify four changes that a stream undergoes before it reaches the ocean?

Yanka [14]

1 - The flow of the river may change as water is fed out into tributaries. 2- As a river flows it may etch out the river bed and create a gulley as it moves sediment and debris. 3- Depending on the speed of a stream it can form into a meandering river with twists and turns. What is interesting about these rivers is they actually move as debris is deposited on one side of the meander and picked up on the other. 4 - Depending on topography the river may increase in speed and give you rapids.

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3 years ago

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Briefly describe how buoyancy, isostatic equilibrium, and epeirogenic processes are related.

nataly862011 [7]

<h2><u>Relation between buoyancy, isostatic equilibrium, and epeirogenic processes</u></h2>

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2 years ago

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Triangle RST has vertices located at R (2, 3), S (4, 4), and T (5, 0). Part A: Find the length of each side of the triangle. Sho

ArbitrLikvidat [17]

The length of the sides of the triangle are; √5, √17 and √18, the slopes are; (1/2), -4 and -1.

<h3>What are the lengths of the sides of the triangle?</h3>

According to coordinates of the vertices given; it follows that the length of each side can be evaluated as follows;

Side RS = √((4-2)² + (4-3)²) = √5

Side ST = √((5-4)² + (0-4)²) = √17

Side TR = √((5-2)² + (0-3)²) = √18

The slopes can be evaluated as;

Slope RS = (4-3)/(4-2) = 1/2

Slope ST = (0-4)/(5-4) = -4

Slope TR = (0-3)/(5-2) = -1.

Since, none of the lines are equal and the slopes do not indicate perpendicular lines, it follows the triangle RST is scalene.