Which of the following made Wegener's Continental Drift Theory seem more reasonable

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

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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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In your own words, explain how changes to genes (mutations) may result in harmful, beneficial, or neutral effects to the organis

leonid [27]

Changes to the mutation is harmful
Mutations are basic inputs of a organism .
So playing with mutations is like inviting danger.
It will give beneficial and neutral defects to the organism and may take life of it

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2 years ago

How many countries are in the world

Alja [10]

Surprisingly, there are 196 countries today! hope this helped

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1. Which of the following is true about population pyramids? (1 point) They express the ages and salary ranges of a group of peo

Elina [12.6K]

1. THEY EXPRESS THE AGES AND THE POPULATION NUMBER OF A GROUP OF PEOPLE.
Population pyramid refers to a graphical illustration which shows the distribution of various age groups and gender in a particular population.
3. ALL OF THE ABOVE.
Global human population refers to the total number of people that are presently living in the world. Many factors contribute to the global population of humans and these include: initial population, fertility level, mortality, etc.
4. FAMILIES ARE HAVING FEWER CHILDREN.
Nowadays, all over the world people are already embracing the idea of having only few children, who they can take care of. This will automatically leads to reduction in the rate at which the human population is growing.
5. A FAMILY RELOCATING WITHIN THEIR COUNTRY DUE TO FAMINE.
Chain migration refers to a type of movement in which one moves from one city to another one within a home country.
6. AN EARTHQUAKE.
A push factor refers to a negative situation which leaves the affected no other option than to leave their region, country or organisation in search of another one. An example of such factors is earthquake.
7. CITIES OFFER MORE OPPORTUNITIES FOR EMPLOYMENT.
Most companies are located in the cities, this is so majorly because of the basic amenities and the infrastructures that exist in the cities. Because of the high employment opportunities which the cities offer, people are always migrating from the rural areas to the cities.
8. FALSE.
The correct statement is this: Emigration occurs when a person moves out of a country and immigration occurs when a person enters a country. Immigration refers to the act of coming to live in a foreign country while emigration refers to the act of leaving one's native country to settle in another.
9. ARABS RELOCATED PEACEFULLY IN ISRAELI TERRITORY.
The Arabs and the Israeli had been fighting for years over territory and this fight is still ongoing even now. There is no peace relocation whatsoever for Arabs in the Israeli territory.
10. SHE RELOCATES DUE TO PULL FACTORS.
Pull factors refers to those beneficial factors that will make people to leave the less desirable conditions of their own countries to look for greener pastures in another countries.
11. TRADE AND BORDER PROTECTION ACT.
The US trade and border protection act is the biggest federal law which regulates and facilitates international trade and immigration. This act limits the movement of goods and people over the US border.
12. TRUE.
The United States of America has always been a place of choice for refugees because of the better economic situation which the country offers and that is why there are so many people from different countries in America.
13. THE RAPID BROAD SPREADING OF CUSTOMS, VALUES AND TRADITIONS.
Globalization refers to the increasing interaction of people on an international scale. It involves the transmission of ideas, cultures, customs, traditions, etc, around the world in such a way that social relations are intensify and expanded.
14. ASSIMILATION.
The assimilation process involves gradually taking on the traits of a dominant culture to such an extent that the assimilating society become indistinguishable from the people of the dominant culture.
15. ACCULTURATION.
Acculturation is the process by which a group from one culture adopts practices and values of another culture, while still retaining a part of their own distinct culture. Acculturation can occur at both individual level and at group level.
16. PEOPLE IN JAPAN WATCHING DISNEY MOVIES.
Cultural diffusion refers to the spread of cultural beliefs, ideas, activities, customs, traditions, etc from one group to another. Disney movies is synonymous with Americans, people in Japan watching Disney movies is a good example of cultural diffusion.
17. EQUAL TREATMENT WITHOUT THE ENFORCEMENT OF LAW.
Throughout history, the minority groups are normally treated harshly by the majority groups. Most of the freedoms enjoyed by the minority groups are always put in place by the enforcement of laws.
18. IF THEY HAVE FINANCIAL RESOURCES AND EDUCATION.
It is always easier for the minority groups to be accepted by a majority group if the minority group have financial resources and education. Education and money usually increased the rate of acceptance of minority groups to the people of majority group.
19. WHEN A DIVERSE GROUP OF CULTURAL BACKGROUND COEXIST IN ONE ENVIRONMENT.
Multiculturalism refers to the presence of several distinct cultural groups within a society. It describes a mixed ethnic society where multicultural traditions exist. Those that favors multiculturalism claim that having different cultures in a place can enrich the society.
20. AMERICAN SUCCESSFUL EXAMPLE OF MULTICULTURALISM.
The melting pot refers to a situation in which a heterogeneous society become more homogeneous by reason of their different cultural elements mixing together to become a harmonious whole with a common culture.

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What causes a star to expand during its life cycle?

Elodia [21]

B. It grows as nuclear fusion in its core produces more matter.

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