When you pluck a guitar string, it vibrates. but so does the body of the guitar! this transfer of vibration is called a) amplitude. b) frequency. c) harmonics. eliminate d) resonance.

the answer is the first option

explanation:

just googled it m8. not that hard

lol

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.

answer: i have one answer

acids are substances that ionize (break off) in an aqueous solution to produce hydrogen (h+) ions

explanation:

hope this and sorry i could only come up with one answer!