Bands of soft rocks like clay and sand are very weak in which they can be eroded very quickly. Since cliff and coastline doesn't erode at the the same pace, an inlet of the sea to where the land curves inward forming a bay. Once soft rocks are eroded inward, the hard rocks are able to stick to the sea to form a headland
<u>Answer</u>: e) Volcanic activity in the region leaves behind valuable minerals.
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<u>Explanation</u>: Volcanic activity has played an important role in the creation of the Cascade Mountains as they were originally created through the subduction of two continental plates.
It is well known that gold deposists are often found through volcanic systems. Water heated by volcanoes will become very acid and thus dissolve surrounding rocks. This water that will contain gold and other metals will then follow fractures through the bedrock towards the surface. In time, these will turn into gold veins or lodes.
Tsunamis (and also underground volcano eruptions)<span />
The grassy plains made up the majority of the fertile crescent. Although this region was suitable for farming, it lacked materials like stone, wood, and metal. Knives, spears, weapons, constructing buildings or shelters, and creating fires were only a few of the challenges these shortages brought on for the locals.
Plant and animal cultivation is known as agriculture or farming. Farming of domesticated species produced food surpluses that allowed people to dwell in cities, and this was the crucial innovation in the birth of sedentary human civilization.
Farming has a long history dating back a very long time. Around 11,500 years ago, early farmers started to sow the wild grains they had been harvesting for at least 105,000 years. Domestication of pigs, sheep, and cattle dates back more than 10,000 years. Despite the fact that 2 billion people still relied on subsistence agriculture in the 20th century, industrial agriculture based on massive monocultures began to dominate agricultural production.
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