What percentage of earth’s surface has been created by volcanoes?

After chloroflurocarbons were banned,which class of chemicals was used in their place?

kompoz [17]

Answer:

C. Sulfur dioxide

Explanation:

Sulfur dioxide is a dangerous chemical, and it may create complications. An ingredient incorporated in the making of sulfuric acid because it is widely used in many industries. When starting a car in the morning, one interacts with Sulfur, and this is experienced when striking a match.

The substance is usually colorless and soluble in water forming a gas. Sulfur is not, however flammable, but it has a transition that happens during the volcanic and produces a waster product with materials that are heated.

7 0

3 years ago

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

6 0

3 years ago

describe how conquering empires and unified governments have affected population patterns on the arabian peninsula

bezimeni [28]

The young regions of the Arabian peninsula have acquired protection from outsiders like the Ottoman Empire to defend the British rulers. Soon after the development of Islam took place in such regions generated culture of peninsula. Below number of aspects are given which discuss about the affect on population pattern on Arabian peninsula:

Independence:

Kuwait earned independence during mid 1900s while UAE signed treaty with Britain in 1971 and acquired freedom. The UAE was comprised of tribal population "sheikhdoms" and ruled by Islamic religious leaders, while Kuwait and Oman are constitutional emirates headed by emirs or prince.

Living Standard and Culture:

The living standard for urbanized nation in peninsula is based on oil production, manufacturing and trade. The Arab culture initiated to have foreign workers to cater need of growing industries. Number of people follow monarchial life style and simple too.

Religion and Language:

Most states have "Sunni & Shia Muslims" which are dominant sects of Islam and follow to visit hajj or pilgrimage i.e Makkah, atleast once by an individual in his or her lifetime. Some other categorization also seen in the form of Islam like Oman practice "Ibadhism" as considered to practice moderate conservatism. The language is basically Arabic only, but some other seen are English, South-Asian and Afro-Asian languages.

5 0

3 years ago

Camels were bought from central Asia to North Africa during the time when north Africa was ruled by the A. Arabs B. Berbers C. T

kogti [31]

I think that the answer is the berbers

6 0

3 years ago

Which of the following characteristics do many island countries in the Pacific Ocean share? A. They are susceptible to freezing

Inessa [10]

The characteristics that many island countries in the Pacific Ocean share is that they experience significant seismic activity. This is because of the Pacific Rim and the plates are under these islands.

6 0

3 years ago

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