Emotional and cognitive changes. The emotional and cognitive effects of MS are often its greatest challenges. Last updated: 10th November 2016. Some of the most common but hidden symptoms of MS are the changes people may experience related to cognition and their emotions. These changes can affect the way people feel about themselves and alter their cognitive functions. For many, the emotional and cognitive effects of the disease represent its greatest challenges.
A 'Mineral Resource' is a concentration or occurrence of material of intrinsic economic interest in or on the earth's crust in such form, quality and quantity that there are reasonable prospects for eventual economic extraction.
A resource is a naturally occurring, exploitable material that a society perceives to be useful to its economic and material well-being (Introduction to Geography, Arthur Getis,13th Ed). There are two types of resources, these are: i) Natural resources or sources of energy ii) Artificial resources. Natural resources are materials or things that people use from the earth. It is the natural processes and forces persistent in the natural environment (www.cas.psu.edu). Natural resources are all the things on Earth that support life. Plants, animals, air, and water are natural resources.