Crude oil simply because once used it gets exhausted
Answer:
The average salary mostly increased between 2000 and 2008.
Explanation:
I took the test.
An ecological deficit occurs when the Footprint of a population exceeds the biocapacity of the area available to that population. Conversely, an ecological reserve exists when the biocapacity of a region exceeds its population's Footprint. ... The Ecological Footprint is usually measured in global hectares.
Ecological reserves are areas selected to preserve representative and special natural ecosystems, plant and animal species, features and phenomena. Scientific research and educational purposes are the principal uses of ecological reserves.
Answer:
Enclaves and exclaves may be created because of ethnic or cultural differences. As political boundaries change, some groups may be separated or split into different territories. ... An enclave is a territory or country with boundaries that are completely within the boundaries of another country.
Explanation:
Answer:
b
Explanation:
when the sea levels rose above the shore
