The Doppler effect doesn't just apply to sound. It works with all types of waves, which includes light. Edwin Hubble used the Doppler effect to determine that the universe is expanding. Hubble found that the light from distant galaxies was shifted toward lower frequencies, to the red end of the spectrum. This is known as a red Doppler shift, or a red-shift. If the galaxies were moving toward Hubble, the light would have been blue-shifted.
Answer:
1. 7 , 2. 0 crackers, 6 choc pieces and 1 marshmallow
Explanatio
Answer:
group 17 the halogen.as it has 7 electron in its outermost ring
Acid Sorry if I am wrong but I am pretty positive it’s acid
M(H2SO4)=n*M=4.75*98=465.5g
