Convection currents in the magma drive plate tectonics. Heat generated from the radioactive decay of elements deep in the interior of the Earth creates magma (molten rock) in the aesthenosphere.
The answers are: Sustainable development is largely a regional issue.
and;
Sustainable development policies only need to consider environmental protection.
A consequence of the growing population would be that the competition for natural resources will increase.
Explanation:
The humans use the natural resources in their lives, for the development of the economy, technology etc. The human population is constantly growing though, even though the growth is slowly decreasing. The more people there are on the planet, the more natural resources will be needed to satisfy the demand for all of them. This will lead to increased competition for the natural resources, and unfortunately those kind of competitions don't end up well usually.
- The natural resources are limited, thus they can only support particular amount of people on the planet.
- Be it renewable or nonrenewable resources, they have their limits, so once those limits are passed, a lack of natural resources will occur.
- Lack of natural resources will lead to existential crisis, and that is what often brings out the worst out of the humans.
- Being in a situation to compete for resources in order to survive, the people will most probably engage into war in order to get them.
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