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Katen [24]
3 years ago
8

Which of the following statements are accurate? Race and ethnicity are both forms of social categorization. Ethnicity bases clas

sification on physical features. Scientists today dispute the theory that races have significant genetic differences. Race and ethnicity shape internal and external perceptions of a group.
Geography
2 answers:
icang [17]3 years ago
8 0
The answer is c because ethnicity is not a category it is a belief culture and religion that makes ethnicity so therefor its c.
Nostrana [21]3 years ago
4 0

The correct answer is - Race and ethnicity shape internal and external perceptions of a group.

Both, the race and the ethnicity, shape the internal and external perceptions of a group of people. It is true that every ethnic group has its own unique traits, and that every race has its own unique features, but unfortunately, very often they are over exaggerated and used in bad connotations.

The people of races and ethnic groups around the world tend to have prejudice for the people different than them, and very often that leads to big problems.

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P and S waves from an earthquake travel at different speeds, and this difference helps locate the earthquake "epicenter" (where
Studentka2010 [4]

Answer:

(a) Since both P and S wave travels the same distance, so it can be written as:    Δx = V₁t₁ = V₂t₂,

Where, V₁- Speed of S wave

            V₂- Speed of P wave

            t₁- time taken by S wave

            t₂- time taken by P wave

Therefore, t₁ > t₂ (since, time taken by S wave is longer than P wave)

⇒ t₁ = t₂ + 1.5 min

⇒ t₁ = t₂ + 90 sec

⇒ V₁ (t₂ + 90 sec) = V₂ (t₂)

⇒ V₁t₂ + V₁ (90 sec) = V₂ (t₂)

⇒ V₂t₂ - V₁t₂ = V₁ (90 sec)

⇒ t₂ (V₂- V₁) = V₁ (90 sec)

⇒ t₂ = {V₁ (90 sec)} ÷ {(V₂- V₁)}

⇒ t₂ = {5.5 × (90 sec)} ÷ {(8.5 - 5.5)}

Therefore, t₂ = 165 sec

Since, Δx = V₁t₁ = V₂t₂

Now, Δx = V₂t₂ = (8.5 × 165 sec)

⇒ Δx = 1402 km

Therefore, Δx is approximately 1400 km (this means that the earthquake occurred at a distance of about 1400 km from the recorded seismic station)

(b) No, Only seismic station is not sufficient to detect the epicenter of an earthquake. Seismologists and geologists usually use the triangulation method in order to determine the exact location of the epicenter. This is possible by the use of three seismographs that are placed at three different locations nearby to that earthquake occurring position.

8 0
3 years ago
Most of the precipitation that falls onto Earth's surface ________. Group of answer choices falls in the form of ice or snow is
ZanzabumX [31]

Answer:

It would seem that the answer in the question is correct

Explanation:

falls in the form of ice or snow is already unusable because of acid rain evaporates back into the atmosphere is taken up by plants or other organisms either runs off to form rivers or filters down into underground aquifers

Not sure what the question was here

6 0
3 years ago
What is the Cell Theory?
stepan [7]

Answer:

In biology, cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells

Explanation:

5 0
3 years ago
Comparing the data from 1790 to 2015, the population of the United States has
Karolina [17]

Answer:

327

Explanation:

4 0
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How many cells does animals have ?
pogonyaev

Answer:

4

Explanation:

Animals have four types of cells within their bodies; epithelial, connective, muscle, and bone.

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