After Applying Alcohol, How Long Should You Allow It to Dry

question 20

Multiple Choice

After applying alcohol, how long should you allow it to dry before collecting from the site?

• A) There is no need to allow it to dry.
• B) 15 seconds
• C) 30 to 60 seconds
• D) 1 to 2 minutes

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Definitions:

Weather Balloon

A balloon that carries instruments aloft to send back information on atmospheric pressure, temperature, humidity, and wind speed at different altitudes.

Tropopause

The boundary in the Earth's atmosphere between the troposphere and the stratosphere, where temperature begins to increase with altitude.

Gaseous Biogeochemical Cycles

The circulation of chemical elements like carbon and nitrogen through the atmosphere, involving exchanges between living organisms and physical processes.

Carbon Dioxide

A gas devoid of color and smell, produced from the burning of carbon-containing compounds and the act of breathing. Naturally found in the environment, it is essential for plant photosynthesis.