Answer:
C , More evidence needed to be gathered to validate the ideas in the theory.
Explanation:
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The index fossils are fossils that are found in the rock strata of certain geologic period, but they are also fossils that are very common and can be found in numerous places around the globe.
Because they can be found all over the globe, and they are indicative of certain geologic period, the geologists have started to use them as a simple way of determining the age of the rock strata. While this method can not provide the geologists with an accurate year for the formation of the rocks, it is still able to determine the relative age of the rocks. By determining the relative age with such ease by using the index fossils, the geologists are able to immediately make conclusions about the rock strata, have basic information about it, and largely be aware of the processes that formed them and influenced them.
Answer:
Government directs and controls the production of goods.
Explanation:
There are numerous different types of economic systems, and in pretty much all cases they are the direct product of the political system in a country. One of the economic types is the command economy. This economic system is typical for communist societies and while it has been widely distributed during the 20th century, nowadays it has lost of lot ground.
prThe command economic system is an economic system that is totally controlled by the government. The government is doing all of the planning, directs, and controls all of the production of goods, but also how much of the goods the people are allowed to have. The basic idea of this economic system is to be selfsustaining, but in practice, it has proven to be highly inefficient and disastrous. Good examples of how this economic system functions were the Soviet Union, Maoist China, and at present North Korea and Cuba.
They are more likely to survive then other plants.