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Studentka2010 [4]
4 years ago
8

Select the statements below that correctly describe where Earth's three most abundant elements (iron, oxygen, and silica) are lo

cated. Choose one or more: The majority of iron is located in the core. Silica is abundant in the mantle and crust. The majority of oxygen is located in the crust and mantle. Oxygen is only located in Earth's atmosphere and is not found anywhere inside Earth. Silica is abundant in the crust, mantle, and core. No iron is located in the crust.
Geography
1 answer:
Verdich [7]4 years ago
6 0

Irons are majorly found in the core and the mantle, however, the crust is estimated to comprise about 5% iron.

Oxygen often thought of as atmospheric gas, is found mainly on the crust, and it is the second most abundant element on earth, it makes up roughly 46.6 percent of the crust and 30 percent of the earth's mass.

Silica compounds are mainly found in both the mantle and the crust, and it is said to be the third most abundant element, and it accounts for about 15% of the earth's mass.

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Middle America is an isthmus that connects North and South America.

Explanation:

Middle America, or more commonly referred to as Central America, is actually part of North America. It represents the southernmost part of the continent, but is often put as a separate region because of its shape which makes it distinct from the rest of the continent. In fact, it can be said that Middle America is an isthmus that is connecting the two large continental masses of North America and South America.

This region's northern boundary is still disputable, and it varies from author to author, though in general it is borders of Belize and Guatemala that are taken as the northernmost parts. On the south it is Colombia's border, on the east it is the Caribbean Sea, while on the west is the Pacific Ocean. As a region, because of the multiple tectonic plate boundaries, Middle America is geologically highly active, with volcanic and earthquake activities being relatively common.

The countries that comprise this region are:

  • Guatemala
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Learn more about plate boundaries brainly.com/question/11976776

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4 0
3 years ago
HELP ME PLEASE!!!!
Scorpion4ik [409]

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If this help can you give me brainiest please.

6 0
3 years ago
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What’s the answer?????? #12
densk [106]

Answer:

multiplying the distance

Explanation:

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3 0
3 years ago
Why is the equator region not the hottest despite vertical sun rays?​
ohaa [14]

Answer:

Because the equator is not pointed directly toward the sun because of the earth's inclination, which is around 23 degrees. The area that is the warmest in either summer or winter is 23 degrees north or south of the equator. The equator is at its warmest during the start of spring and in the fall. The hot spot oscillates up and down as a sinus wave with a one-year duration. Deserts may be found in the hottest parts of summer and winter, which are furthest from the equator. Less variance exists towards the equator, creating a tropical climate. Never too chilly or too hot.

<h2>Why is it that when you get closer to the equator of the earth you have deserts, but at the equator you have rainforests, isn't it hottest at the equator?</h2>

Due to shear forces created by the nearly spherical shape of the Earth, the equator's surface spins more quickly than that of more northerly or southerly latitudes. As a result, the air generally rotates counterclockwise in the northern hemisphere and clockwise in the southern hemisphere. Consequently, moisture-laden air is brought in from over the equatorial sections of the seas and forced to travel over the equatorial land masses where it deposits its moisture, especially on higher terrain. This causes air from the equator to be driven north and south. This region of the country will receive very little rain since by the time the air reaches the tropics, it is virtually dry. The tropical waters evaporate a lot because they are so warm. The flow of the air is distorted by the configuration of land masses and other seas, and numerous eddies emerge in the north and south where other complex weather systems are dominant. In these areas, jet streams are in charge of the weather. Antarctica is extremely dry since the majority of its water is frozen, and in certain areas snow or rain are so seldom that all that is left is bare dry rock.

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6 0
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How many volcanoes are extinct?
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Explanation:

7 0
3 years ago
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