Chapter 11, Problem 9LR

Summary Introduction

a.

To determine:

Whether the statement “The Atlantic Ocean covers the greatest area of all the world’s oceans,” is true or false.

Introduction:

The oceans cover about 72 percent of the total surface area. It is almost equal to 360 million square kilometers.

Summary Introduction

b.

To determine:

Whether the statement “Continental shelves are part of the deep-ocean floor,” is true or false.

Introduction:

A continental shelf can be defined as the portion or segment of a specific continent that is submerged under a place of shallow water. This place is referred to as shelf sea.

Summary Introduction

c.

To determine:

Whether the statement “Deep-ocean trenches are located mostly in the middle of ocean basins,” is true or false.

Introduction:

Deep ocean trenches or oceanic trenches are narrow, long, and steep-sided depressions in the bottom of the ocean.

Summary Introduction

d.

To determine:

Whether the statement “High evaporation rates in the subtropics cause the surface ocean water to have a lower than average salinity,” is true or false.

Introduction:

The salinity of saltwater is also high due to the high temperature in the tropical regions. The salinity of water and temperature are directly proportional to each other.