c The fall line is where rivers are no longer navigable by ships traveling in from the ocean, so goods had to be offloaded.
Explanation:
Cities tended to develop at the fall line of rivers simply because rivers are no longer navigable by ships travelling from the ocean and goods have to be offloaded.
- The fall line provides a natural demarcation where a coastal plain meets the upland area.
- From this area, a river enters into the ocean.
- Ships are built to navigate the ocean. Their design makes it impossible for them to coast through rivers which are smaller water bodies.
- This prompts ships coming to offload around the region where the coastal plain meets the upland area the river is coming from.
- Harbors and docks are usually built in such areas.
- They are hubs of trade and commerce attracting a large population of people.
- Therefore, cities invariably emerge.
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C. 5 1/2 because <span>A sleep cycle lasts about 90 minutes and during that time we move through five stages of sleep </span>
The correct answer is option A, that is, development often causes habitat fragmentation, which can threaten biodiversity.
Fragmentation is usually illustrated as a reduction in some of all the kinds of natural habitats in a landscape, and the differentiation of a landscape into smaller and more isolated segments. With the development of the fragmentation process, the ecological influences will modify.
Fragmentation can be a result of natural procedures like floods, fires, and volcanic activity, but it is more generally caused due to human activities like an increase in the number of roads, housing developments, shopping centers, and parking lots.
With the enhancement in human activities, the effect of fragmentation become more. Eventually, it results in the devastating influences on the local species, a complete modification to the landscape, and the loss of the region's wilderness heritage.
The cooling of earth’s surface and the heating of earths core
Binary fission occurs primarily in prokaryotes, while mitosis only occurs in eukaryotes Binary fission is a simpler and faster process than mitosis. The third main form of cell division is meiosis.
