The correct answer is c . E
Reason number 1 (before) is that you could contaminate your samples if you have foreign material on your hands.
Reason number 2 (after) is that you could spread<span>/or ingest dangerous chemicals or substances that you have handled in the lab.</span>
Answer:
Kevin mowed 4 lawns
Step-by-step explanation:
Let the number of lawns Kevin mowed be x.
12 = 3x
x = 4
Topic: Algebraic equations
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247,039 rounded to the nearest thousand becomes
247,000
