Answer:
u need to make sure that comparison is = to shapes and then find the shapes sizes and add them
Answer: B
Explanation: the wave with the largest amplitude would create ththe loudest sound, and based on the picture provided, I would guess B has the largest amplitude.
You weigh slightly more at the beach than on top of a mountain, because at the beach, you're closer to the center of the Earth.
Answer:
90 ohms
Explanation:
1/r = 1/180 + 1/180
1/r= 2/180
take the reciprocal of 2/180 which is 180/2 and its 90 ohms
