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Mekhanik [1.2K]
4 years ago
12

27. Fire stations, roads, sewers, and bridges are examples of

Chemistry
1 answer:
Veseljchak [2.6K]4 years ago
6 0

Answer:

b. Infrastructure  

Explanation:

Infrastructure is the fundamental facilities and necessary for the economy of a region to function.

It is composed of improvements such as fire stations, roads, sewers, and bridges, and many others, like railways, tunnels, water and electrical supply, and communications.

An example of infrastructure is the Samuel de Champlain Bridge (below), which crosses the St. Lawrence River from Montreal en route to the United States. The bridge it replaced carried about sixty million vehicles per year, more than $20 billion in cross-border trade and was crucial to the economy of Montreal and for Canada as a whole. The new bridge has even greater capabilities.

a. and d. are wrong. Open spaces and wilderness require infrastructure, but they are not infrastructure.

c. is wrong. Urbanization refers to a population shift from rural to urban areas

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Classification of elements in groups provide us with a fixed pattern in which the elements change their properties periodically.

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The principle of uniformitarianism describes the fact that the geological processes used to occur in the past were in the same manner and with the same intensity that as they occur in the present on the planet Earth. Therefore, uniformity in the geological processes exhibit from the unknown and unobservable past to present scenario of Earth. The present is the key to the past is the slogan of the principle of uniformitarianism.

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The features that can be observed from a substance that undergoes a chemical change is that the shape is altered. That is option D.

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