The lake near a small city has become polluted. One group blames the local factory for the pollution. The factory claims that non-point source pollution from the growing city population is to blame. Which of these tests would NOT help local citizens figure out if the pollution was from a point source or non-point source?

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

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? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.