High pressure and heat cause recrystallization and hardening of certain rocks causing them to change their nature and become minerals such as diamond.
maurice.mutuku answered the question on June 12, 2017 at 04:55
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How has gold mining contributed to the economy of South Africa?
(Solved)
Describe ways in which gold mining has contributed to the economy of South Africa.
Date posted:
June 10, 2017
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What are the problems associated with shaft mining?
(Solved)
List the problems associated with shaft mining.
Date posted:
June 10, 2017
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What are the negative effects of mining on the environment?
(Solved)
Give the negative effects of mining on the environment
Date posted:
June 10, 2017
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What are the uses of Soda ash?
(Solved)
Give the uses of Soda ash.
Date posted:
June 10, 2017
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In which ways does soda ash contribute to the economy of Kenya?
(Solved)
Discuss ways in which soda ash contributes to the economy of Kenya.
Date posted:
June 10, 2017
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In which ways are the mining derelicts reclaimed?
(Solved)
Give ways in which mining derelicts can be reclaimed.
Date posted:
June 10, 2017
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What are the factors influencing exploitation of minerals?
(Solved)
Give the factors that influence the exploitation of minerals.
Date posted:
June 10, 2017
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Why is it important to study Geography?
(Solved)
List the reasons why it is important to study Geography.
Date posted:
June 10, 2017
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What are the characteristics of a bar graph?
(Solved)
Give the characteristics of a bar graph.
Date posted:
June 10, 2017
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What are the negative effects of open cast mining on the environment?
(Solved)
Discuss the negative effects of open cast mining on the environment.
Date posted:
June 10, 2017
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Answers (1)
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What are the sea ports through which some of the minerals mined in East Africa are exported?
(Solved)
Give the sea ports through which some of the minerals mined in East Africa are exported.
Date posted:
June 10, 2017
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What are the methods of mining?
(Solved)
List the methods of mining.
Date posted:
June 10, 2017
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How do mineral ores occur?
(Solved)
List the formations in which mineral ores occur.
Date posted:
June 10, 2017
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What is podzolization?
(Solved)
Describe podzolization as a process of leaching.
Date posted:
June 10, 2017
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What are the soil erosion control measures?
(Solved)
Give the soil erosion control measures.
Date posted:
June 10, 2017
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How does overgrazing lead to loss of soil fertility?
(Solved)
Describe how overgrazing leads to loss of soil fertility.
Date posted:
June 10, 2017
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How does mulching help in soil conservation?
(Solved)
Explain how mulching helps in soil conservation.
Date posted:
June 10, 2017
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How does frequent ploughing lead to loss of soil fertility?
(Solved)
Describe how frequent ploughing leads to loss of soil fertility.
Date posted:
June 10, 2017
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How does parent rock influence soil formation?
(Solved)
Describe how parent rock influences soil formation.
Date posted:
June 10, 2017
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Which factors determine soil leaching?
(Solved)
List the factors that determine soil leaching.
Date posted:
June 10, 2017
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