2 killed in explosion at Kurdish rally in Turkey

The video poses a question, 'Who's that second?', prompting viewers to think about the context or subject being referred to. It serves as an introduction to a broader topic or discussion.

What is the primary unit used to measure time?

• Liters

• Seconds

• Meters

• Kilograms

Why are seconds important in timekeeping?

• They are the largest unit of time.

• They help in precise time measurement.

• They are used to measure weight.

• They are irrelevant in modern clocks.