# Which Statements Are True? Check All That Apply

## Introduction

When it comes to understanding different concepts, it’s important to know which statements are true and which ones are false. In this article, we’ll explore various statements related to different subjects and help you identify which ones are true so you can improve your understanding of these topics.

## Mathematics

1. The sum of two odd numbers is always even.

2. The square root of a negative number is always imaginary.

3. The sum of two irrational numbers is always irrational.

4. The product of two prime numbers is always a prime number.

Out of these statements, options 1, 3, and 4 are true. The sum of two odd numbers is always even, and the sum of two irrational numbers is always irrational. Additionally, the product of two prime numbers is always a prime number. However, statement 2 is false. The square root of a negative number is always imaginary or complex, but not necessarily always imaginary.

## Science

1. The Earth is flat.

2. All living things are made up of cells.

3. Light travels faster through water than through air.

4. Atoms are made up of protons, neutrons, and electrons.

Out of these statements, options 2 and 4 are true. All living things are made up of cells, and atoms are made up of protons, neutrons, and electrons. However, statement 1 is false. The Earth is not flat; it is an oblate spheroid. Statement 3 is also false. Light travels slower through water than through air.

## History

1. The American Civil War began in 1861.

2. The French Revolution took place in the 18th century.

3. The Roman Empire collapsed in the 5th century.

4. World War II began in 1939.

Out of these statements, options 1, 2, and 4 are true. The American Civil War began in 1861, the French Revolution took place in the 18th century, and World War II began in 1939. However, statement 3 is false. The Roman Empire collapsed in 476 AD, which is in the 5th century.

## Geography

1. The capital of Australia is Sydney.

2. The Amazon River is the longest river in the world.

3. Mexico is located in South America.

4. The Sahara Desert is the largest hot desert in the world.

Out of these statements, options 2 and 4 are true. The Amazon River is the longest river in the world, and the Sahara Desert is the largest hot desert in the world. However, statement 1 is false. The capital of Australia is Canberra, not Sydney. Statement 3 is also false. Mexico is located in North America.

## Conclusion

By identifying which statements are true and which ones are false, we can improve our understanding of different subjects. It’s important to always fact-check information before accepting it as true, as misinformation can lead to confusion and misunderstandings. By taking the time to verify information, we can ensure that we have a strong foundation of knowledge to build upon.