a)

b)

Total volume of production = 90000 + 70000 + 80000 + 30000 + 60000

Total volume of production = 330,000 tonnes

c)

Other method that can be used to represent the data above

1. Pie chart
2. Line graph
3. Percentage bar graph
4. Proportional circle
5. Divided bar graph

a)

b)

Types of rocks

1. Igneous rocks
2. Sedimentary rocks
3. Metamorphic rocks

c)

Importance of rocks

1. Tourist Attraction: The shapes and layers of some rocks are so wonderful and beautiful that they sometimes serve as tourist attraction. An example is the umbrella rocks at Boti Falls
2. Source of Minerals: Minerals like gold, diamond and coal are obtained from rocks
3. Building and Construction: Rocks like igneous and metamorphic are used in building houses, constructing of bridges, dams, roads and sea ports
4. Sources of water: The source of underground water supply depends largely on the nature of rocks. An example is spring wells. Water can be obtained from the ground by constructing a well to reach the aquifer
5. Source of salt: Certain rocks contain salt which are mostly used by people living far from the coastal areas. One can be found at Daboya in Northern Ghana
6. Making of ornaments
7. Production of glass
8. Formation of soil
9. Production of cement, gravel, chippings, etc.
10. Habitat for wildlife

a)

Duties of the police in Ghana

1. The keep/maintain law and order. They also see to it that people respect and obey the laws of the country
2. They prevent accidents on the roads by making sure that drivers and their vehicles are worthy and licensed and do not carry too many passengers and loads
3. The police see to it that there is peace and order
4. They fight against crime
5. They protect lives and properties
6. They investigate and detect crimes

b)

Responsibilities of the individual in Ghana

1. To be law-abiding in order to bring peace
2. To defend the country in times of external invasion and crises
3. To assist the police by reporting known criminals and criminal cases to them
4. To pay taxes
5. To participate in communal labour
6. To vote when qualified

a & b)

Minerals and associated towns in Ghana

c)

Benefits of mining to Ghana

1. Jewellery/ornaments making: Gold and diamond are used in making regalia of chiefs, crowns and ornaments for decorations
2. Foreign Exchange: Minerals are major foreign exchange earners for most countries in the sub-region
3. Employment creation: Mining creates jobs for drivers, laborers, engineers in the mining and jewellery industries
4. Infrastructural facilities: It leads to the development of social amenities such as hospitals, stadiums, schools, roads in the mining communities
5. Source of government revenue: Payment of taxes and royalties from the mining companies provides revenue for the states to run their respective economics
6. Raw material: Most minerals are important raw materials for various processing/manufacturing industries

a)

Reasons for the rise of the old Mali Empire

1. Oppresive rule of Sumanguru and the support from the vessal states: Oppressed vessal states helped Sundiata to fight against Sumanguru and defeated him. Sundiata's people were also loyal to him and helped him to conquer the small kingdoms close to him. In 1240 Sundiata also conquered Old Ghana and made it part of Mali
2. Good Governance: The kings of Mali established a good metropolitan, provincial and local government system which led to peace and justices throughout the empire. The people were loyal to Sundiata, Sakora, Mansa Suleman because of their good leadership
3. Use of Islam: The introduction of Islam made Mali very popular under Mansa Musa both in North Africa and outside Africa. Mansa Musa's pilgrimage to Mecca also made the empire very popular
4. Strong Standing Army: The Mali Kingdom expanded rapidly under Sakora, due to its strong army. Mansa Musa also used the strength of the army to make the Mali Kingdom as empire through conquest
5. Administration of justice: Laws were enforced without fear or favour and the citizen received preferential treatment

b)

Factors that led to the fall of the old Mali Empire

1. Collapse of central government: The collapse of the central administration led to the disintegration of the empires as the soldiers were not willing to defend the Empire and its people
2. Weak rulers: After the reign of Mansa Suleyman, the administration was taken over by incompetent leaders who misused the resources of the empire
3. The rise of the Songhai Empire: In 1468, Sunni Ali of Songhai started to raid Mali and conquered it completely
4. Disagreement: Disagreements occurred due to constant internal dissension that led to the assassination of Mausa Maghan II after a short reign
5. Division of provinces: Many provinces broke away due to the continuous attack by the Mossis and Tuaregs

a)

Causes of conflicts in the world

1. Ideological differences: Alignment of major power blocs or ideological difference in capitalism and socialism
2. Struggle over strategic positions: The struggle to secure important strategic position/area for examples Iraq and Kuwait, Nigeria and Cameroon
3. Border disputes: Boundary disputes and clashes between neighbouring countries
4. Ethnic and tribal differences: The situation where one group looks down on the other could cause conflict
5. Racial discrimination: Conflict arises when one race considers itself superior to the other

b)

Effects of conflicts in the world

1. Loss of lives: During conflict/wars, thousands of people are killed while others are maimed
2. Environmental pollution: During wars, decaying dead bodies and explosives lead to the outbreak of epidemics. Almost all sources of drinking water for the people are polluted
3. Hunger and disease lead to malnutrition, starvation and death
4. Damage and loss of properties during conflicts make people homeless/vacate their towns and cities to seek shelter elsewhere
5. Breakdown of laws and order: During conflict/wars the human rights of people are abused and violated. People are indiscriminately arrested, detained and their movements get restricted by the imposition of curfew
6. Loss of International credibility: Conflict/wars portray a bad image which makes countries lose international credibility and their membership to international organizations/communities suspended
7. It stifles economic development: The economic policies and programs of the government become disrupted during the period of conflict/war