Genetic diseases is one of the topics that will be covered in biology
Speed = frequency x wavelength
100 x 0.2 = 20
Answer:
Hydrogen
Explanation:
hydrogen couldn't form until the universe had cooled enough to allow their nuclei to capture electrons, about 380,000 years after the Big Bang, Within about 3 minutes after the Big Bang, conditions cooled enough for these protons and neutrons to form hydrogen nuclei.
