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Which of these is a feature of audible pedestrian crosswalk signals? o a. pedestrian tracking o b. emergency instructions o c. button location signaling od. responses to voice commands

Define physical activity. question 3 options: bodily movement produced by the contraction of muscles planned and structured exercise the ability to perform rigorous activity all the above

Which practice is harmful to the land? a. using animal waste as fertilizer b. composting with peels from commercial fruit c. throwing paint cans in the garbage d. cutting the lawn with a gas-powered mower