Author Question: Which part of the electromagnetic spectrum has the lowest frequency? A) ultraviolet B) infrared ... (Read 94 times)

123654777 · **on:** Jul 29, 2018

Which part of the electromagnetic spectrum has the lowest frequency?

A) ultraviolet B) infrared C) gamma D) visible E) radio

Question 2

Most experts believe that, for safe disposal, high-level nuclear wastes should be buried for

A) 100,000 to 1 million years.
B) a few million years.
C) 100 to 500 years.
D) 1000 to 10,000 years.
E) as long as humans remain on Earth.