Which of the following frequencies falls in the range of rf waves used by commercial radio broadcasting stations?
a. 6,000 hz
b. 6,000,000 hz
c. 60 hz
d. 600,000 hz

:( asap! list all of the items in the item bank and match the definitions correctly.

Ineed ! using proper grammar, spelling, and punctuation, write at least one 5 sentence paragraph describing 3 ways we use the elements of the electromagnetic spectrum (ems) in our everyday lives.

In which situation is the acceleration of a car negative? question 5 options: a)the velocity of a car was 75 km/hr over 4 hours. b)the velocity of a car reduced from 50 km/hr over one minute. c)the velocity of a car increased from 40 km.h to 75 km/h over 15 minutes. d)the velocity of a car was 45 km/hr at 2: 00pm and at 4: 00pm its velocity was 85 km/ht.