Which of the following is an advance in technology that has us to increase environmental quality? diluting fertilizers by over-watering farmland using biological organisms to clear up polluted water heating water to kill excess bacteria in aquatic ecosystems burning garbage to reduce the amount of waste in landfills

Which answer lists the fundamental forces in order from strongest to weakest

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? a. the balloons both rise. the cold balloon is larger than the warm balloon. b. the balloons rise at the same rate. both balloons are the same size. c. the warm balloon expands and rises. the cold balloon shrinks and sinks. d. the cold balloon expands and rises. the warm balloon shrinks and sinks.