Josie see's lightning off in the distance. a few seconds later she hears thunder. what can josie conclude?

a) sound waves do not travel long distances

b) light waves travel faster than sound waves

c) sound waves are weaker than light waves

d) light waves last longer than sound waves

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a