Answer:
The words that have some thing match them together and that’s your answer!
Explanation:
Answer:
It is correct because iron is more reactive than silver.
Explanation:
Answer:
The answer will have to be A
speed of light=wavelength*frequency
3*10^8m/s=wavelength*1.20*10^13
wavelength=3*10^8/1.2*10^13
=10^-5/0.4=2.5*10^-5m
