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densk [106]
3 years ago
12

Can someone help me with these questions

Geography
1 answer:
Paraphin [41]3 years ago
6 0

Answer:

7) The Cretaceous period and it lasted for 80 million years

8) The Cenozoic era for 65 million years

9) 4.5 billion years ago

10) It began 252.2 million years ago

11) It ended 66 million years ago

12) About 190 million years

Explanation:

Hope this helps :)

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Which of the following cycles is crucial to living organisms?
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Few people inhabit the plateaus (between the mountains) in Western China because these regions
Levart [38]

Answer:

would have limited access to resources

6 0
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Mr. Robredo is building a fence around a rectangular region with 36 feet of fencing. The area of the rectangular region is 65 sq
iragen [17]
In order to answer this problem, we need to find a combination of length and width that would have an area of 65 feet^2 and 36 feet.  So far, we know that 65=l*w and 36=2l+2w.  The answer is the length is 5 and the width is 13.  We can check our work.

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4 0
4 years ago
What is the volume of a cylinder with base radius 2 and height 9?
Novay_Z [31]

Answer:

Volume = 113.04 cubic units

Explanation:

Given:

Radius (r) = 2 units

Height (h) = 9 units

π = 3.14

Required:

Volume of the cylinder

Solution:

Volume = πr²h

Plug in the values

Volume = 3.14*2²*9

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4 0
3 years ago
Tsunamis: Group of answer choices Are like the weather; they can be predicted fairly accurately days in advance, allowing wise p
amm1812

Answer:

Option (4)

Explanation:

Tsunamis are usually defined as the large and extensive wave that occurs in the oceans and seas due to the occurrence of an earthquake below the oceans, underwater landscape and other strong volcanic explosions.

They are mostly initiated by earthquakes, and these types of disasters are unpredictable. The movement of seismic waves is responsible for the generation of tsunamis over the ocean water body. The occurrence of tsunamis is somewhat predictable, by observing the changes that occur in terms of the height of sea level. By making these observations, immediate warnings are given, and the coastal areas are vacated at the earliest.

These tsunamis produce larger or smaller waves depending on the magnitude of the earthquake.

Thus, the correct answer is option (4).

6 0
3 years ago
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