The document describes measurements taken to determine the height of trees using a clinometer and protractor. It provides the results of three measurements of tree heights ranging from 334.97 cm to 1012.91 cm. It also discusses a survey of people living near a shopping mall that found most felt crime increased after the mall was built but were pleased with the interior and exterior of the mall. Environmental problems from the mall could include water runoff, habitat loss, and air pollution.