Which of the following best describes reverberation? A single sound undergoes several reflections due to multiple reflecting surfaces.
O A fraction of the sound waves are absorbed by an object and converted to heat
energy.
A change in the sound wave velocity causes the wave to bend in a different
direction.
The wave fronts become mixed and broken up due to contact with a rough or
irregular surface.

The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?

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.

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?