Which of the following statements is true of e-waste in the united states? a) e-waste does not cause environmental problems in countries that do not have computers. b) plastic housing for electronic computers may emit toxins when burned, contributing to e-waste. c) the environmental protection agency currently has federal laws in place that govern e-waste for all industrialized countries. d) the united states has seen a decrease in computer e-waste since 2004. e) e-waste is naturally decreasing as the size of electronic devices shrinks.