The sun can continue to exist in its present stable state for about another
40%
5.5 billion years
o 10 billion years
60%
100 billion years
o 15.5 billion years
our
60%

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

What is the period of a wave traveling 5 m/s if its wavelength is 20 m/s

Which statement is an example of the law of conservation of energy? a soccer ball eventually stops because its energy disappears. when a light bulb is turned on, electrical energy is converted to light and heat. an automobile engine burns gasoline to converts its chemical energy to electrical energy.