Government policies aim to promote:

Sustainable mineral development
Rapid exploitation of resources
Export of raw minerals
Foreign investment in mining

The correct answer is: a) Sustainable mineral development.

Government policies aim to promote sustainable mineral development by ensuring that mineral resources are used in a way that meets the needs of the present without compromising the ability of future generations to meet their own needs. This includes ensuring that mineral resources are extracted and used efficiently, that the environment is protected, and that local communities are involved in decision-making.

Option b) is incorrect because rapid exploitation of resources can lead to environmental degradation and social problems. Option c) is incorrect because exporting raw minerals does not add value to the economy and can lead to a loss of jobs. Option d) is incorrect because foreign investment in mining can lead to environmental problems and social unrest if it is not properly managed.

Sustainable mineral development is important because it ensures that mineral resources are used in a way that benefits both current and future generations. It also helps to protect the environment and promote social and economic development.