D
A describes liquid, b describes solid, and c describes solid as well. therefore d is the only good answer
<span>The superscripts in an electron configuration represents the number of electrons and protons in an element. </span>
The frequency of the ray with a wavelength of 3.10 × 10¹⁴ is 9.671 × 10⁻⁷.I attached the working and the answer to the question below. I hope I was able to help.
Please note that C = speed of light, ν = frequency and λ= wavelength.
Answer:
so the earth has an atmosphere, which holds in all the oxygen, it has gravity, and it has the green house effect, causing the earth's warmth to stay in it's atmosphere