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ziro4ka [17]
3 years ago
10

A geologist is comparing the properties of different minerals. He rubs each one on a piece of white tile and observes the color

of he power that is left behind. What type of test did he perform?
color


hardness


luster


streak
Physics
1 answer:
denis23 [38]3 years ago
4 0

He performed a streak test, in which a piece of the mineral is rubbed across a piece of unglazed porcelain in order to determine the color of the mineral in powdered form.

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6 0
2 years ago
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Answer:

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Explanation:

6 0
3 years ago
Which best explains why the receiver of a signal must understand the code or language being used
Oksi-84 [34.3K]

The receiver of a signal must understand the code or language being used to avoid confusion and losses.

<h3>What is a Signal?</h3>

This is usually in the form of a sound or body movement and is involved in conveying messages to people.

The receiver must understand the code or language in order to prevent confusion or loss of lives and properties.

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4 0
2 years ago
The Cenozoic Era is best described as the era in which
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3 years ago
The electric field due to two point charges is found by: a) finding the stronger field. The net field will just be equal to the
alekssr [168]

Answer:

b)determining the electric field due to each charge and adding them together as vectors.

Explanation:

The electric Field is a vector quantity, in other words it has a magnitude and a direction. On the other hand, the electric field follows the law of superposition. The electric field produced by two elements is equal to the sum of the electric fields produced by each element when the other element is not present. in other words, the total electric field is solved determining the electric field due to each charge and adding them together as vectors.

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