CLEAN: Seven dead in 'terror' gun attack on US Sikh temple

The video introduces the concept of distance and engages the audience with a question to stimulate thinking.

What is the main idea discussed in the section about distance?

• How to calculate distance using a formula.

• The history of measuring distances.

• The importance of maintaining a consistent distance.

• Different units used to measure distance.

Why might someone want to maintain the same distance?

• To calculate time taken for a journey.

• To measure speed accurately.

• To avoid getting lost.

• To ensure consistency in communication.

In what context might maintaining the same distance be important?

• While cooking a meal.

• In a scientific experiment.

• When painting a picture.

• During a musical performance.

Which of the following best describes the purpose of a casual greeting?

• To express disagreement.

• To end a conversation.

• To start a conversation.

• To ask for directions.

What is a common phrase used to greet someone casually?

• Thank you.

• What's up?

• Goodbye!

• See you later.