The number of stars in the sky in the Milky Way is estimated to be 100 thousand million. How many significant figures is this

Select the word from the list that best fits the definition classification of most stars on the h-r diagram

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves