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Jet001 [13]
3 years ago
6

In Bowen's reaction series, what three elements increase in concentration when a magma becomes more ultramatic? Select one: O a.

Si, O, CA O b. Fe, Mg, and Ca c. Si, O, and Fe d. Fe, Mg, and Na e. Si, O, and K
Geography
1 answer:
hjlf3 years ago
6 0

Answer:

b. Fe, Mg, and Ca

Explanation:

In an ultramafic magma, there is concentration of Fe, Mg and Ca in the melt. An ultramafic magma is one with less amount of silica content. Ultramafic magma are usually rich in iron bearing minerals, magnesium and calcium. These minerals are usually the first to crystallize out in a melt when rocks are heated.

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Identify the primary factor related to fossils, according to continental drift theory.
pshichka [43]

Answer:

I dont know for sure, but I would say B.

Explanation:

I say B, because across continents there have been numerous fossils found with different ages. You can even look up case studies, but the answer might not be B, its just a guess.

8 0
3 years ago
Find the distance between the points given.<br> (2, 2) and (5,5)<br> 3<br> O 32<br> o 72
tamaranim1 [39]

Answer:

d = 3\sqrt{2}

Explanation:

The distance between two distinct points on the same plane (d) can be calculated by the General Equation of the Line Segment, a derivation from the Pythagorean Theorem:

d = \sqrt{(x_{B}-x_{A})^{2}+(y_{B}-y_{A})^{2}} (1)

Where:

(x_{A}, y_{A}) - Initial point.

(x_{B}, y_{B}) - Final point.

If we know that (x_{A}, y_{A}) = (2, 2) and (x_B, y_B) = (5, 5), then the distance of the line segment is:

d =\sqrt{(5-2)^{2}+(5-2)^{2}}

d = \sqrt{18}

d = 3\sqrt{2}

7 0
3 years ago
How many land features are their in texas
Katena32 [7]

the answer is 4

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4 0
3 years ago
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What’s the most vital function of earth’s magnetic field?.
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Answer:

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5 0
2 years ago
What happens when stress builds at faults? Check all that apply.
xz_007 [3.2K]

Answer: 1. Energy may be released.

2. Rock can bend and break.

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Hope this helps! :)

4 0
4 years ago
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