According to this selection, what makes tornadoes difficult to predict?
A
their temperature
B
their height
their size
D
their strength

The Storm Prediction Center looks for patterns in temperature and wind flow that create certain levels of moisture, instability, lift and wind shear, according to the center's extensive frequently asked questions page. Even then, its predictions may be uncertain because tornado conditions don't always look the same.

Explanation:

Basically the temperature

the best practice

1. keep your workspace clean

2. wash your hands

3. seperate and clean chemicals and equipment

4.   use microfiber cleaning utensils

5. clean and sanitize all work surfaces

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