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malfutka [58]
3 years ago
12

Multiple Choice:

Geography
1 answer:
Pepsi [2]3 years ago
7 0

Answer: a)Copper and tin

Explanation: Copper and tin came into use at very early ages in the form of utensils, ornament etc. They were discovered in a way that it is possible for the people of early ages to extract these metals and melt them to give it some kind of shapes and utilize it for their daily living.People also started using these metals in the form of alloys as well which expanded the used of metals like copper, tin , bronze etc. Thus, correct option is copper and tin.

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He purpose of loaded words in advertisements is to
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Here the loaded word "disgusting" is trying to make you feel emotional about your hair and make you buy the shampoo:

The correct answer is:
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the stratosphere is the layer of the earths atmosphere that is more than 10 km and less than 50 km which of the following inequa
Gwar [14]

The correct option is (D) |x - 30| < 20​.

<h3>What is stratosphere?</h3>

A part of the atmosphere on Earth is called the stratosphere. As you ascend, it is the second layer of the atmosphere.

The stratosphere is immediately followed by the lowest layer, the troposphere. The mesosphere is the stratosphere's superior layer after that.

Calculation for the inequalities given for the stratosphere layer:

According to the question,

The stratosphere is the layer of the Earth's atmosphere that is more

than 10 kilometers (km) and less than 50 km above the Earth's surface.

Consider option D.

|x - 30| < 20​

The two cases for the modulus function will be-

Case 1: For positive value of modulus function.

+ (x - 30) < 20

x - 30 < 20

x < 20 + 30

x  < 50; which satisfies the condition the stratosphere is the layer less than 50 km above the Earth's surface.

Case 2: For the negative value of modulus function:

- (x - 30) < 20

- x + 30 < 20

30 - 20 < x

10 < x (or)

x > 10; which satisfies the condition the stratosphere is the layer is more

than 10 kilometers (km) .

To know more about the stratosphere, here

brainly.com/question/211843

#SPJ4

The correct question is -

The stratosphere is the layer of the Earth's atmosphere that is more

than 10 kilometers (km) and less than 50 km above the Earth's surface

Which of the following inequalities describes all possible heights x, in

km, above the Earth's surface that are in the stratosphere?

A) |x + 10| < 50

B) |x-10|< 50

C) |x + 30|< 20

D) |x - 30| < 20​

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The two small Hebrew states were bordered by the kingdom of Egypt and the kingdoms of __________.
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