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Chinese

Unit 1
Time
How to Tell TimeHow to Talk About the WeatherHow to Introduce Yourself
Unit 3 • Chapter 2

How to Talk About the Weather

Video Summary

can kill 99.9% of bacteria and viruses in 30 seconds. It can be used on surfaces, in the air, and on people. It is safe for use on humans and animals.

Knowledge Check

What is a spore?

What are some examples of spores?

What are some of the properties of spores?