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Gelneren [198K]
3 years ago
14

Which is more important- the russian revolution of 1917 or the russian revolution of 1991?explain answer​

Geography
1 answer:
denis-greek [22]3 years ago
8 0

Answer: 1917, two revolutions swept through Russia, ending centuries of imperial rule and setting into motion political and social changes that would lead to the formation of the Soviet Union.

Explanation:

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2.2 The Greek Middle Ages to ca. 750 b.c.e. What were the Greek Dark Ages?
lisabon 2012 [21]

Answer:

Answered

Explanation:

The Greek Dark Ages was time interval between collapse of the Mycenaean civilization, around 1200 BCE and the Greek Archaic period, around 800 BCE

Iron working technological innovation that stands out during this period, So the dark age is also known as Early iron age.

5 0
3 years ago
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
2 years ago
Châu âu có mấy dạng địa hình
satela [25.4K]

Answer:

ask in english.............

Explanation:

5 0
3 years ago
Water sources in the Middle East are __________. A. easily accessible B. limited C. clean D. unpolluted
Step2247 [10]
Water sources in the Middle East are limited and very polluted. These people do not have clean water, and the water they can get, they are very thankful for, although it is full of bacteria and mud.

Your answer is: B) limited. 

Have an amazing day!
6 0
3 years ago
Read 2 more answers
Please help me I'll give brainiest!
Alex73 [517]

Answer:

From top to bottom: Midwest, West Coast, Southwest, Northwest.

Explanation:

Ur welcome :)

4 0
3 years ago
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