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111. The Environment and Us – Define a drug. 112. The Environment and Us – Identify some common drugs. 113. The Environment and Us – Explain the importance of following guidelines on the proper use of a drug. 114. The Environment and Us – Explain why people use drugs. 115. The Environment and Us –…

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Select the links below to view documents: Some Important Characteristics of Planet Earth The earth structure Classify water bodies      …