Answer:
That would be hydrogen and helium! :)
Answer:
are produces are in a month.
Explanation:
Quantity of eggs produced by the chicken in a month = 284 dozens
1 dozen = 12 eggs
Number of eggs in a month:

are produces are in a month.
Answer:
The minimum energy required to eject an electron from sodium will be bigger.
Explanation:
red light has a higher wavelength, that mean that the energy that emitted is lower in comparison with the violet light.
If the rate of the photons is the same, 10,000 photons per second, that means that the required energy to take an electron need to be bigger to have the same effect.
Hope this info is useful.