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2 years ago

1/How is an area’s topography determined? (1 point)

1 answer:

6 0

The answers of the following is:
1. by using an area’s elevation, relief, and landforms. Topographic map shows elevation, relief, and slope unlike road map.

2. Global Positioning Systems uses elevation points on Earth’s system to find latitude and longitude by using signals from a network of satellites.

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Both precious metals and gems are _____.

Brrunno [24]

Precious metals are rare, naturally occurring metallic chemical elements. They tend to be less reactive than most elements, are usually ductile and have a high lustre. Precious metals have high economic value. Examples are: gold,silver and platinum. Gems on the other hand are minerals or rocks that can be cut, shaped, and polished into beautiful stones. Examples include emerald, ruby and sapphire.

Both precious metals and gems are rare and valuable.

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2 years ago

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Which fossil fuel, mineral, and gem are most widespread in the tropical North?

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2 years ago

Describe and explain the physical and/or chemical methods used to refine the coal

Leni [432]

A method of processing coal to remove contaminants by mixing coal in a solution of potassium permanganate in a selected concentration range, rinsing the coal, mixing the coal in a solution of ammonia hydroxide in a selected concentration range to cause the solution to be brought into contact with the surfaces and pores of the coal, discharging the processed coal from the second reaction vessel, monitoring the process to detect when the concentration of aqueous ammonia in the second reaction vessel has fallen below the selected range, and feeding aqueous ammonia solution with an ammonia concentration in or above the selected range to the second reaction vessel to return the solution to within the selected range.

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2 years ago

What is typically responsible for forming volcanic island chains in the oceans? Question 10 options: A) Composite volcanoes B) F

RSB [31]

Answer:

Explanation:

A hot spot develops above the plume. Magma generated by the hot spot rises through the rigid plates of the lithosphere and produces active volcanoes at the Earth's surface. And as oceanic volcanoes move away from the hot spot, they cool and subside. As a result they produce older islands, atolls, and seamounts.

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2 years ago

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When going from a depth of 5,000 meters in Earth to a depth of 2,500 meters, the temperature would . When going from a depth of

Ludmilka [50]

Answer:

1. When going from a depth of 5,000 meters in Earth to a depth of 2,500 meters, the temperature would  decrease

2. When going from a depth of 4,000 meters in Earth to a depth of 6,000 meters, the pressure would  increase

Explanation:

1. When going from a depth of 5,000 meters in Earth to a depth of 2,500 meters, the temperature would __________.

The temperature of the Earth interior progressively increases as you move toward the Earth's core, this deeper into the Earth.

The highest temperature in in the core (center) of the planet, and the profile of temperature goes from lower temperatures in the crust to higher temperatures in the core.

Three factors are belived to be responsible for the so hightemperatures in the core:

1. Heat from the formation of the planet

2. Friction generated by the movement of dense materials from the outer core toward the inner core.

3. Radioactivity of some elmenents in the interior of the crust.

Therefore, as when you go from a depth of 5,000 meters in Earth to a depth of 2,500 meters, you are going upward, farther away from the core; this is, to a colder spot. Thus, the answer is that the temperature would decrease.

2. When going from a depth of 4,000 meters in Earth to a depth of 6,000 meters, the pressure would __________.

The pressure of the Earth interior progressively increases as you move deeper into the Earth.

The reason is because the pressure is the result of the weight of the upper layers over the lower layers. The deeper you go inside the Earth the more the amount of material above that is exerting a force downward, pressing on the lower layers.

Hence, as you go from 4,000 meters in Earth to a depth of 6,000 meters, you are going deeper, then the pressure would increase.

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2 years ago

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