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3 years ago

What are the three main sources of income for cuba?

Geography

2 answers:

Soloha48 [4]3 years ago

5 0

C. tobacco tourism and sugar

Inga [223]3 years ago

5 0

The only two I know for sure is Sugar and Tobacco, but I believe the third one is tourism.

Hope this is helpful :)

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How can you identify Sedimentary rock

fiasKO [112]

Answer:

Sedimentary rocks are rocks composed of sediment. Sediment is deposited in a number of environments of deposition, by both moving air and moving water. Sedimentary rock identification is primarily based on composition. Texture will still be used but in a different sense than for igneous rocks.May 17, 2017

Explanation:

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3 years ago

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What two nations were born from territory that was once a part of India?

nordsb [41]

Pakistan and Bangladesh

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3 years ago

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Ok, so, I am doing this project and it's an ABC book about Africa. Basically what you do is you for example take the letter 'A',

Lady_Fox [76]

Answer:

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Explanation:

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2 years ago

Density is a key component in the behavior of Earth materials and is especially important in understanding important aspects of

jeka57 [31]

Answer:

Density is one of the most factors that play a key role in plate tectonic activities. Some of the ways in which density is important in the field of plate tectonics are as follows-

The convergent plate boundaries are responsible for the creation of a subduction zone, where the high-density lithospheric plate subducts below the less dense one. It is because the heavier plate is comprised of heavy minerals thereby forming heavier rocks as a result of which its density increases. Due to these differences in density, there occurs a subduction zone.

The divergent plate boundary forms where two plates move away from one another. This type of plate motion is responsible for the eruption of magma on the seafloor. As the plates diverge, the lithosphere becomes eventually thin, and with more progressive spreading, the magma comes out to the seafloor. This is because the hot magma is less dense, and forms convection cells as they rise upward. This is how the density helps in the upwelling of magma at the mid-oceanic ridge in a divergent plate boundary.

When there collide two plates of equal densities, then it gives rise to the formation of huge mountains, because neither of them is heavy to get sink. So it uplifts the crust, forming a sandwich-type pattern.

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3 years ago

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Match the term in column 1 to the characteristics in column 2.

Mrrafil [7]

Answer:

a) Mass wasting - 4) Landslides or other collapses

b) Heating and cooling - 2) Type of physical weathering

c) Dust bowl - 1) Severe farmland erosion

d) Oxidation - 3) Type of chemical weathering

Explanation:

a) Mass wasting is defined as the slope movement which causes the downslope of soil, sand, and rock under the influence of the force of gravity. So, mass wasting causes landslides and other collapses due to slope movement.

b) Heating and cooling or temperature changes is a type of physical weathering. Rocks expand at high temperatures (Hot) and contracts at lower temperature (Cool).

c) Dust bowl : When grasses in farmlands are not tightly rooted, the eroding soil led to massive dust bowl and blow the grasses in the farmlands.

d) Oxidation is a type of chemical weathering. Oxidation is defined as the reaction of a substance with oxygen, when oxygen reacts with rocks and soil, it forms oxides which result in weathering.

Hence, the correct answer is:

a) Mass wasting - 4) Landslides or other collapses

b) Heating and cooling - 2) Type of physical weathering

c) Dust bowl - 1) Severe farmland erosion

d) Oxidation - 3) Type of chemical weathering

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3 years ago