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Molodets [167]
3 years ago
9

Examining sedimentary bedding (layers of rock or sediment) in a geologic study reveals disrupted layers formed 260, 820, 1,200,

2,100, and 2,300 years ago. What is the recurrence interval of the earthquakes that caused the disruption
Geography
1 answer:
Dmitriy789 [7]3 years ago
7 0

Answer:

510

Explanation:

Recurrence interval involves the average estimated time or average spacing between events. It helps to estimate the time probability of an event taking place.

Calculating the recurrence interval we have:

[(820 - 260) + (1200 - 820) + (2100 - 1200) + (2300 - 2100)] / 4

= (560 + 380 + 900 + 200) / 4

= 2040/4 = 510

After the calculations, the recurrence interval of the earthquake that caused the disruption is 510 years.

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<u>Answer:</u>

Strict immigration laws did not influence the economic development of the United States.

<u>Explanation: </u>

  • Though the United States adopted strict immigration laws in order to filter the unwanted immigrants from flooding the country, many others who could comply with these laws moved to the United States and contributed to its growth and prosperity.
  • The laws put up certain criterions that only allowed deserving people to flow in.
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3 years ago
What plants and animals might live in Northern Sweden or Finland near the Arctic ocean?
kompoz [17]
Moose and Lynx might live near the Arctic ocean
3 0
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Where did the Yom Kippur War of the<br> 1970s take place?
galina1969 [7]

Answer:

Combatants: Israel, Egypt, Syria

End date: 25 October 1973

Date: 6

Explanation:

4 0
2 years ago
I need help please I need help please I need help please I need help please I need help please I need help please I need help pl
andriy [413]

Answer for first picture:

#1 = 43 degrees #2= 38 degrees

#3= 27 degrees #4= 45 degrees

Explanation for first picture:

All the angles are right angles. This means they all will equal 90 degrees! so if you take 90 degrees and subtract the one known angle you will have your answer! :)

Answer for 2nd picture:

#1 = X= 70 Y= 110

#2 = X= 102 Z= 102

#3 = X= 83 Y= 194

#4 = Y= 37 Z= 143

Explanation for second picture:

When you have angles like these the total will equal 360 degrees! look at the first pic, it shows 110 degrees, you also know that the angle across of it is equal to it. so together it equals 220 now subtract 360 - 220. you get 140. since you have two angles to figure out, you divide 140 into two. 140 / 2 = 70 degrees! you do the same steps for the rest of the problems!

( i am sorry for the bad explaining!)

3 0
3 years ago
Read 2 more answers
Anne releases a stone from a height of 2 meters. She measures the kinetic energy of the stone at 9.8 joules at the exact point i
nlexa [21]

Eₖ = √1/2 mv²

Eₖ/v² = 1/2 m

2Eₖ/v² = m

mgh = 1/2 mv²

gh = 1/2 v²

2gh = v²

v = √2gh

= √2 × 10 N/kg × 2 m

= 6.324 ms⁻¹

m = 9.8/(6424)²

= 9.8/39.993

= 0.245 g

I am not sure if it's correct.

i transposed for m in the first equation then to find the velocity I combined the potential and kinetic energy equation. there was no mass because velocity doesn't depend on the mass

Then I used earth's gravitational field strength (g) 10 N/kg and the 2 m was the height provided in the question

you can try working and see if you get the same

5 0
2 years ago
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