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Fed [463]
3 years ago
7

Cornelius sees a landform with almost vertical layers of sedimentary rocks. Which of the following statements is most likely tru

e?
The rock is not really sedimentary.
A geologic event shifted the rocks.
The rocks have been undisturbed for millions of years.
Water and wind deposited the rocks in vertical layers.
Geography
1 answer:
choli [55]3 years ago
5 0

Answer:

A geological event shifted the rocks

Explanation:

The rock layers have the natural tendency to layer up in horizontal manner, thus to be positioned one above the other. This actually means that the rock layers are sorted out by age, with the ones on the bottom being the oldest ones, and the ones on top the youngest ones. The Earth is not static though, and there's constant movements, geological activities, that disturb the rock layers. If there are geological activities that will push up and than move sideways the rock layers, the rock layers will appear to have vertical layers, not horizontal ones, thus giving a nice clue about how they came to be in that position.

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Which of the layers of the Earth has the following characteristics? i. It is solid and extremely hot. ii. It is the innermost la
Stella [2.4K]

<u>Answer:</u>

<u>b. inner core</u>

<u />

<u>Explanation:</u>

To solve this problem let's start by listing the information given. This will help us find which option best fits the characteristics provided to find the correct answer.

<u><em>characteristics of mystery layer:</em></u>

<em>i. it is solid and extremely hot</em>

<em>ii. it is the innermost layer of the Earth</em>

<em>iii. it is around 800 miles thick</em>

<em />

Now let's go through each option to determine which best matches the characteristics.

<u><em>option a</em></u>

<u><em>outer core</em></u>

<u><em /></u>

The first characteristic of the mystery layer is 'it is solid and extremely hot.' The outer core of the earth, however, is a fluid layer. Therefore, this option cannot be correct.

<u><em>option b</em></u>

<u><em>inner core</em></u>

<u><em /></u>

The inner core is a solid 'ball' and is about 10,800°F. It is also the inner, or last layer, of the earth and is around 800 miles thick. Therefore, it matches all characteristics of the mystery layer so, this must be the correct answer. If you would like to be sure, I also reviewed the last two options below.

<em><u>option c</u></em>

<em><u>crust</u></em>

<em><u /></em>

Because the crust is the outermost layer of the planet, it does not match the second characteristic of the mystery layer. Therefore, this cannot be the correct answer to the question.

<em><u>option d</u></em>

<em><u>mantle</u></em>

<em><u /></em>

Although the mantle does match the first characteristic, it does not match the second characteristic, which requires the layer to be the innermost layer of the earth. The mantle is one of the outer layers of the earth.

Now that all options are reviewed, we have determined the best solution to the problem. The correct answer to this question is <u>b. inner core</u>.

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