4 Select all the correct answers.
According to the results of an evaluation, a neighborhood's air quality deteriorated tremendously compared with the previous year. What simple
measures can the residents take to help this situation?
D Drilve their cars more often.
O Use public transportation for travel.
O Walk or ride a blcycle when traveling short distances.
D Burn trash, leaves, and other waste.
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When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

Where substance is produced during cellular respiration

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.