Visible light spectrum.
The visible light spectrum is part of the electromagnetic radiation spectrum
There is a difference in the time we see things from space. There is a delay so we see things after they happen
The correct answer is A. Alkali metals.
I hope this helped
Carbohydrates. CH2O is the most basic formula of simple sugars.Empirical formula is the lowest whole number ratio of atoms in a formula.For example glucose is C6H12O6 can be reduced by 6 to get CH2O. Simples sugars include glucose and fructose which can serve as sources of energy for fats and amino acids.
CO2, C2H2, BeF2, XeF2, etc all these molecules have linear geometry.
