A sustainable ecosystem: uses all available surface waters to meet the demand for today's population. creates a natural balance between the humans and the environment in a natural process. adjust uses of elements in a physical environment today to ensure there is an environment that can be used in the future. produces enough products to meet the demands of the modern society. is one that can be modified as the environment changes in order to maintain in productivity.

adjust uses of elements in a physical environment today to ensure there is an environment that can be used in the future.

Explanation:

Sustainability means continuity. In relation to a sustainable ecosystem then, it can be said that it is the adjustment of use of elements in a physical environment today to ensure that there is an environment that can be used in the future.

Therefore, the awareness of each individual of their responsibility for maintaining environmental sustainability is essential, as well as the responsibility of companies that use scarce natural resources for the production of economic goods.

There is a need to reduce environmental impacts in all areas of society, so that there is a balance in the ecosystem, actions that promote the maintenance of natural resources that are essential for the quality of life of the current population and of future generations are necessary.

they use tree rings to figure out weather patters.