Which of the Following Is an Effective Disinfection Process

question 10

Multiple Choice

Which of the following is an effective disinfection process?

• A)Boiling at 100⁰C for 5 minutes.
• B)Boiling at 100⁰C for 30 minutes.
• C)Heating to 63⁰C for 30 minutes.
• D)Heating to 72⁰C for 15 seconds.
• E)All of the above.

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Definitions:

Shield Volcano

A broad, domed volcano with gently sloping sides, primarily formed by the eruption of low-viscosity lava.

Caldera

A large volcanic crater formed by a major eruption leading to the collapse of the mouth of the volcano.

Steam Eruption

A volcanic event wherein water is heated by magma and vaporizes explosively, releasing steam and volcanic gases into the atmosphere.

Magma

Molten rock beneath the Earth's surface which can form igneous rocks upon cooling.