Q1. How would you answer to a person who argued that there is nothing to worry about because natural systems, through natural succession, will heal the wounds of human activities and restore the balance of nature?

Q2. A cell whose cytoplasm has a concentration of 0.2 molar glucose is placed in a test tube of water containing 0.4 molar glucose. Assume that glucose is not actively transported across the cell membrane, which term describes the tonicity of the external solution relative to the cytoplasm of the c.