(05.04 MC) Although solar energy is considered “clean” ener…

(05.04 MC) Although solar energy is considered “clean” energy, there are environmental impacts from its use. Which statement(s) identify the primary environmental drawback(s) of solar energy? Solar energy cannot be used in isolated places. Aquifers may be strained due to cleaning solar panels in water-scare regions. Ecosystems are disrupted by installation of large-scale power plants.

(05.03 LC) The table shows the amount of radioactive elemen…

(05.03 LC) The table shows the amount of radioactive element remaining in a sample over a period of time: Radioactive Decay Rate Amount of Radioactive Sample (g) Time (min) 56.0 0 47.1 400 39.6 800 33.3 1,200 28 1,600 What is the half-life of the element in minutes?