Answer:
When a wave is too steep to support itself, the wavefront collapses creating a <u> </u><u>break </u>that advances up the shoreline
Explanation:
When waves are tall, with a great slope that makes them unstable, they break. Braking waves might occur inshore or offshore.
- Offshore: Breaking waves in the deep sea occurs when the wind speed increases so fast that they exceed the speed of the waves. These last ones acquire additional energy from the winds increasing their slopes to the point of being so unstable that the water from the crest falls forward and breaks the wave. The most influencing factor in these breaking waves is the speed of the winds.
- Inshore: When waves are near the shore, the scarce water deepness increases the friction of the wave with the marine bottom, and consequently, the wave´s speed decreases progressively. The wave loses energy in the friction, the wave energy is concentrated in a lower length, and the wave grows in size. As it increases, it acquires a sharper slope. As deepness decreases, the wave base loses speed, but the crest does not. As the wave crest travels faster, the frontal face of the wave becomes concave. This change in shape continues until the wave can not support itself and it breaks. The break is not produced by the friction with the bottom, but by exceeding the slope limit values.
Answer:
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Correct Answer: A cultural region is a specific area where the people share one or more unifying cultural elements. Cultural regions are distinct because, for example, their land can range in size from a few to millions square miles. They can establish cultural boundaries as well.
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Answer:
The impact of so many humans on the environment takes two major forms: consumption of resources such as land, food, water, air, fossil fuels and minerals. waste products as a result of consumption such as air and water pollutants, toxic materials and greenhouse gases.
Population growth is the increase in the number of people living in a particular area. Since populations can grow exponentially, resource depletion can occur rapidly, leading to specific environmental concerns such as global warming, deforestation and decreasing biodiversity.
Began to be handled by modern technologies such as electronic system.
The 1970s was regarded as the Banking Revolution, in which the banks started to use modern technology such as Automatic Telling machine, debit and credit cards, phone banking, etc
