Apiano, violin, or guitar uses the resonance of a wooden soundboard to

a) amplify the sound
b) dampen the sound
c) raise the pitch
d) limit standing waves

i think a, but im not sure. !

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

Acar travels 40m in 8 seconds find the car speed

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive