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Reptile [31]
2 years ago
11

This is the third time im asking giving 60 points HELP

Geography
1 answer:
muminat2 years ago
5 0

Answer: should be A

Explanation:

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Which of the following is a factor that determines the composition of magma?
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Which of the following is a factor that determines the composition of magma?<span>
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Metamorphisis means to change form. metamorphic rocks directly form from.
bagirrra123 [75]

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Metamorphic rocks form from heat and pressure changing the original or parent rock into a completely new rock. The parent rock can be either sedimentary, igneous, or even another metamorphic rock. The word metamorphic comes from Greek and means To Change Form

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Many minerals with metallic lusters produce a prominent streak (aka "true color") when rubbed on unglazed porcelain. For example
marishachu [46]

Answer:

a. red-brown

Explanation:

Specular Hematite is a mineral which is found in rocks and soils. The crystal of specular hematite is greyish black in color but it can form the streak of reddish color which is due to the presence of iron oxide. It has metallic luster which gives a look like silver and has shiny flakes.

3 0
3 years ago
Tommy and Erin are building a skateboard ramp. They want the ramp to be 3 feet tall and 5 feet long.
BARSIC [14]

Answer:

Full question is attached.

Tommy's reasoning is wrong because the hypotenuse is not 5 feet.

A skateboard ramp resembles a right angles triangle so its sides resemble that of a right angled triangle.

The height of 3 feet would be the height of the triangle.

The length of 5 feet would be the length of the triangle.

The piece of plywood that would cover the top of the frame would be the hypotenuse.

In using the Pythagoras rule, the c is the hypotenuse but Tommy made the mistake of assuming that the hypotenuse was b which is where the error came from.

Instead of solving for b, they should have been solving for c which is the hypotenuse.

a² + b² = c²

3² + 5² = c²

9 + 25 = c²

c² = 34

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c = 5.83 feet

They should use a plywood of 5.83 feet not 4 feet.

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3 years ago
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