X-rays have much shorter wavelengths and higher frequencies. Likewise, red light has a longer wavelength than blue light.
Answer:
okay let me know when i can help, ill be happy too help
Hi!
Fuel-cell cars only release water and heat in the atmosphere.
Since they are only run by oxygen and hydrogen to produce electricity in the motor, they don't emit carbon dioxide or greenhouse gas as what other people think.
Basically, automotive engineers and scientist classified them as zero-emission.
