More energy is given off forming new bonds than is needed to break the original bonds in a(n) reaction. (4 points)

endothermic

exothermic

nuclear

dynamic

The study of witch tree monkeys feed in is part of the science life

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

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