Lesson 5 Homework Questions.docx - Lesson 5 Homework Questions Instructions Answer each of the following questions Your responses can be short answer

Lesson 5 Homework Questions.docx - Lesson 5 Homework...

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Lesson 5 Homework Questions Instructions: Answer each of the following questions. Your responses can be short answer, short essay, or a list -- just be sure to answer each question completely. Ch. 9: 1. Is the amount of precipitation and evapotranspiration over the continents the same? Explain. No; more waterfalls on the continents as precipitation than is added to the air above through evapotranspiration - the extra precipitation falling on the continents comes from water evaporated from the oceans 2. Why is it difficult to designate distinct boundaries between the oceans of the world? 3. How and why does the salinity of seawater vary around the world? 4. Describe the positions of the Sun, Moon, and Earth that produce the highest tides and the lowest low tides. The ocean responds to the Moon and Sun's centripetal and gravitational and forces at the same time. When the moon, Earth, and Sun are in a line, the lunar and solar tides add together hence creating a higher high tide and a lower low tide. The tide is very large from the constructive interference as the lunar and solar tides' crests coincide. This is called a spring tide. Spring tides are thus the Earths most extreme tides.When the Moon, Earth, and Sun form a right angle to each other, the solar tide makes the lunar tide smaller. The tide is smaller
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  • Winter '11
  • drmccalister
  • Biology

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