What is potential energy a the energy of a moving object b energy that is increasing c energy that is decreasing d energy that is stored in the position, or structure, of an object

Aperson who uses a computer at a desk does not have to worry about safety in the workplace. true or false

What type of specimens where you able to see under each of the microscopes in the microscope activity

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 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. 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 warm balloon expands and rises. the cold balloon shrinks and sinks.