C. dominate would increase over time
True. The sensation of a frequency is commonly referred to as the pitch of a sound. A high pitch sound corresponds to a high frequency sound wave and a low pitch sound corresponds to a low frequency sound wave. ... Such sound waves form the basis of intervals in music.
I can probably drop two eggs two times.
Also I am sorry but I have no idea who you are, but welcome back!
Answer: A)Control : no photograph
Dependent: whether they returned it or not
Confounding:time of day
B) people have the need to see themselves as righteous so to raise their self esteem and maintain their image they’ll do something good
C)they valued their own interest ?? (Not sure)
D)maybe the ppl who picked up the wallets were young, so the older couple’s photograph would be an out group “them” compared to the young “us”
E)higher
Explanation: