Describe two ways the united states could use resources more sustainably.

Sustainable development is usually defined as the ability to maintain the economic growth of a given territory in order to conserve natural resources so that they are guaranteed for future generations, ie it is the perspective of maintaining the sustainability of the natural elements so that they are able to equally meet the needs of humanity in the future.

In order to enable sustainable development, the United States of America must use its natural resources in a more sustainable way. Two ways the United States can do this is:

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

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