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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332

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BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332
Textbook Problem
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Which latitude will have the most hours of daylight on the summer solstice?

  1. a. 0° (the equator)
  2. b. 30° north
  3. c. 45° north
  4. d. 60° north

Summary Introduction

Introduction: The Earth rotates in an elliptical path around the sun one full time per year. Seasonal changes occur because the Earth is tilted at 23 degrees on the axis. The seasonal changes depend on the amount of sunlight that reaches the parts of the Earth. In the summer solstice, the northern hemisphere has the longest day and the northern hemisphere is most tilted toward the sun.

Explanation

Reason for the correct answer:

In Anchorage, Alaska has 19 hours of daylight on the summer solstice, being at a latitude of 60 north of the equator.

Option d. is given as “60 north”. Therefore, option d. is correct.

Reasons for the incorrect answers:

Option a. is given as “0 (the equator)”. At this latitude, the daylight hour and night hour are equal. Therefore, option a. is incorrect.

Option b...

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