The answer is Maria or Lunar mare because they are both made of basalt. Hope this helps.
Answer:
1.01 × 1013 picometres
Explanation:
multiply the length value by 1e+9
Answer:
least distance= 13mm
ratio of the lattice = 1 : 0.71 : 0.58
Explanation:
given λ₁ = 650nm = 650×10⁻⁹m, λ₂ = 500nm = 500×10⁻⁹m
Weather balloons are filled with only a small amount of helium because the __Volume__. of the balloon will increase as the air pressure decreases at higher altitudes.