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.
Renewable Resources. Renewable resources are resources that are replenished by the environment over relatively short periods of time. This type of resource is much more desirable to use because often a resource renews so fast that it will have regenerated by the time you've used it up.n contrast to renewable resources, non-renewable resources are resources that are not easily replenished by the environment. Let's think about this in terms of that ice cube maker again.