If a country is isolated, it will have to produce everything that it needs: especially food clothes and medicine. It won't be able to specialize, but it will have to focus on satisfying the needs of the people.
If it is not isolated, it can specialize in the things that it can produce the best and fastest, and hope to exchange it for the things that it can't produce.
Answer:
Around the world the most significant restriction on access to potable water is money. While access to raw water sources, clean or otherwise, is important, the purification process itself is expensive. Once water has been rendered potable, it is important that it be delivered without reintroducing contamination.
The correct answer C. Pectinoid is the most occurring fossil that is a bivalve. They are a superfamily of marine bivalve mollusks which includes scallops and oysters. Members of this family have a triangular resilium.
Just took the test and figured out the answer was A. Hoped I helped you and everyone else reading this.
Yes, things such as polluting the air with fossil fuels (not natural) and things like building factories or something as simple as throwing garbage in the oceans have a major affect. everything is like a butterfly effect, one small action can have a drastic outcome. people now a days are inventing numerous amounts of things and damaging our ecosystems. as the years go on and things like this keep happening, our world will start to get hit with those outcomes. right now we are experiencing them, with hot temperatures and less fish in the ocean and polar ice caps melting.
