Answer:
Plants and animals can be damaged by acid rain.
Explanation:
Acid burns and is harmful to things not accustomed to contact with acid.
Preparation of small volumes of gases.
c.diamonds are the hardest
For the data set 1, 1, 2, 5, 6, 6, 9 the median is 5. For the data set 1, 1, 2, 6, 6, 9 the median is 4.
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