[听力原文]Most waves are caused by winds, though earthquakes on the ocean bed can also cause them, and tides are caused by the effect of the gravity of the moon on the earth and also, although to a lesser extent, the sun’s gravity. One bulge of water is drawn upon the side of th...
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Why is the R wave so much higher than the P wave? What are sea waves and tides? What causes them? Distinguish among a forced wave, standing wave and progressive wave. Also provide an example of each. Explain how wave interference influences the height of sea waves. ...
forms[考查名词复数。根据设空处前的all可知填 forms。] 61.are [考查主谓一致。全文时态为一般现在时,设空处 也需用一般现在时;and连接两个表示不同意义的名词 air和water作主语,谓语动词需用复数形式,故填are。] 62. amazing [考查形容词。设空处修饰名词speed,故用 其形容词形式,表示“令人惊奇的”,所以...
The Bay of Fundy is a bay created by the natural inlet between New Brunswick and Nova Scotia in Canada. Due to its tides, it is considered one of the seven wonders of North America.Answer and Explanation: The tides in the Bay of Fundy are the cyclical high and low watermarks as the ...
There are less extreme tides when the sun and moon sit at right angles to each other (relative to Earth). Such an arrangement will produces what's called neap tides. A neap tide is a period in which the difference between high and low tides is minimal. When Continents Interfere Brace ...
What are the parts of a delta? Deltas typically consist of three components. The most landward section is called the upper delta plain,the middle one the lower delta plain, and the third the subaqueous delta, which lies seaward of the shoreline and forms below sea level. ...
During these Moon phases, the gravitational forces of the Moon and the Sun combine to pull the ocean’s water in the same direction. These tides are known as spring tides or king tides. Micromoons lead to around 5 cm (2 inches) smaller variation than regular spring tides, called apogean...
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Moon phases reveal the passage of time in the night sky. Some nights when we look up at the moon, it is full and bright; sometimes it is just a sliver of silvery light. These changes in appearance are the phases of the moon. As the moon orbits Earth, it cycles through eight distinct...