The correct answer is option B. X-rays are the waves found in the electromagnetic spectrum at a wavelength of 1x10^-11 - 1x10^-8 m and frequencies of 3x10^16 to 3x10^19 Hz. These waves penetrate easily through certain materials which made them usefule in the field of medicine.
Answer:
D, They produce fossil fuels
Explanation:
you can't just pull them out of nowhere
Normal rainwater has a pH of 5.6<span> (slightly acidic)</span>
Answer:
2 moles
Explanation:
In one mole of O2 there are 16 grams. So in 2 moles there are 32 grams
Answer:
True
Explanation:because of the motion
