Question

What is the main idea of the first paragraph?

• A. Fresh water is necessary for life.
• B. Most water in the world is salt water.
• C. Water is the most common liquid in the world.
• D. People cannot drink most of the world’s water.

Answer 1

The correct option is C Water is the most common liquid in the world.

Option (C)

a) Incorrect. While the last paragraph states that water is necessary for life, this information is not given in the first paragraph.

b) Incorrect. While line 3 states that most of the world’s water is salt water, this is not the main idea of the paragraph.

c) Correct. The first sentence of the paragraph states that water is the most common liquid in the world. Lines 2-4 expand that idea. Therefore, it is the main idea of the paragraph.

d) Incorrect. While it is true that people do not drink salt water, and it is true that 97% of the world’s water is saltwater, as stated in line 3, this information is not stated in paragraph