Which situation describes the highest rate of power? A. A weight lifter does 500 joules of work in 1.5 seconds.
B. A weight lifter does 800 joules of work in 0.5 seconds.
C. A weight lifter doch 800 joules of work in 1.5 seconds.
D. A weight lifter does 500 joules of work in 0.5 seconds.

The anwser is: wave a has a greater pitch and frequency.

The answer is: 6.3mi got it right

Year  1936,  lehman predicted that the earths 'inner core' is solid. she observed that the seismic signals during her study were bent and did not pass through instead bouncing back. later it was confirmed that the earth's inner core was solid made up of nickel-iron and had a molten outer core.