Which of the following statements are true when the spaces on a ticker-tape diagram do not change? a. the object is not accelerating. c. both a and b. b. the object has a constant speed. d. none of the above.

Which technology do environmental scientists use to track the movements or polar bears and other vulnerable populations? a) geographic information system(gis) b)environmental dna(edna) surveillance c) global positioning system(gps) d) unmanned aerial system (uas)