<span>An indicator species is an organism whose presence, absence or abundance reflects a specific environmental condition. Indicator species can signal a change in the biological condition of a particular ecosystem, and thus may be used as a proxy to diagnose the health of an ecosystem. For example, plants or lichens sensitive to heavy metals or acids in precipitation may be indicators of air pollution. Indicator species can also reflect a unique set of environmental qualities or characteristics found in a specific place, such as a unique microclimate. </span>
Answer:
We can use the example of the Greater Accra region, one of the new regions of Ghana.
Explanation:
The Greater Accra region consists essentially of the city of Accra, and its immediate sorroundings, and has over 4 million people.
As the most populated region in the country, its regional economy is the most important for Ghana. It is where a great part of the country's industrial and service sectors are located. The reason for this is geographical: people living close to each other in cities tend to form closer economic ties that increase efficiency and productivity.
Answer:
The dependence comes from the fact that the highest consumers of oil are not the highest producers.
Explanation:
The Middle East, as a region, has been blessed with reserves of oil. This is the natural resource for which there is the highest demand on the global market, so having it means that it brings a lot of benefits. The most obvious benefit is a lot of profit, but there is also the political influence because of the dependence of other countries on the resource.
The huge amount of profit complemented with having all major economies in the world (except two) highly dependent on oil from the Middle Eastern countries has led to a lot of looking through fingers situations. Almost all of the countries in this region tend to be among the worst when it comes to the violation of human rights, suppression, dictatorship, but all other countries turn their heads and there is no reaction because of how dependent they are on their oil. Also, the leaders of these countries are spreading out their influence in other countries by buying a lot of businesses, buying actions, sports clubs, or even finance political parties in order to make a stronghold, and so far they do it to great effect.
As the geology on an expedition to a newly discovered, earthlike planet,to located the first permanent settlement in order to avoid an earthquake zone, you considering avoiding a location with: a. a young mountain range along a continental coast.
hope this help
