
Concept explainers
1. The Coriolis effect
a. drives the rotation of the Earth.
b. is responsible for the relative lack of seasonality at the equator.
c. drives global wind circulation patterns.
d. drives global wind and ocean circulation patterns.

Introduction:
The Coriolis effect describes that the generation of apparent force due to the rotation of the Earth on its axis. This force causes the deflection of freely moving objects according to the movement of the Earth’s surface. The object moves towards left in the Southern hemisphere and right in the Northern hemisphere.
Answer to Problem 1U
Correct answer:
The Coriolis effect drives global wind and ocean circulation patterns. Therefore, option d. is correct.
Explanation of Solution
Reason for the correct statement:
The Coriolis effect describes that the wind and ocean motion is curved. This curved path of ocean and wind occurs due to the rotation of earth around its axis. This phenomenon is described by the Gaspard-Gustave Coriolis. Thus, the Coriolis effect describes the clockwise motion of wind and oceans.
Option d. is given as “drives global wind and ocean circulation patterns”.
As, “the Coriolis effect describe the curved path of wind and ocean due to Earth rotation”, is the right answer.
Hence, option d. is correct.
Reasons for the incorrect statements:
Option a. is given as “drives the rotation of the Earth”.
The Coriolis effect describes the curved path of wind and ocean due to Earth rotation. It does not describe the Earth rotation. So, it is a wrong answer.
Option b. is given as “is responsible for the relative lack of seasonality at the equator”.
The Coriolis effect does not describe the relative lack of seasonality at the equator. So, it is a wrong answer.
Option c. is given as “drives global wind circulation patterns”.
The Coriolis effect describes the wind circulation pattern, but it also drives the ocean circulation pattern. So, it is a wrong answer.
Hence, options a., b. and c. are incorrect.
The Coriolis effect define the circulation pattern of wind and ocean due to Eath rotation.
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Chapter 58 Solutions
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