Can someone pls help me with these questions I’ll give brainliest

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

What do the atoms of elements in the same group have in common? a. they have the same atomic numbers. b. they have the same average atomic masses. c. they have the same number of electron shells. d. they have the same number of electrons in their outermost shells.

Awaiver with a period of 0.008 second has a frequency of a. 800hz. b. 80hz. c. 125hz. d. 12.5hz.