This diagram shows a person jumping on a trampoline. In position 1, the person is on the trampoline and the trampoline is stretched. In position 2, the person is halfway in the air. In position 3, the person is at the highest point in the jump. Which table shows the correct relationship between gravitational potential energy and elastic energy?

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)