Science Enhanced S&S Biology - Virginia Department of ...

Use words such as damp, warm, sweaty, nutrients (food) available, not cleaned/sanitized frequently, and special. At the sampling locations: 5. Take a test tube half-filled with deionized sterile water, a stopper, and a cotton swab to one of the locations selected. 6. Dip the cotton swab into the water in the test tube. 7. ................
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