Help ASAP no link or I will report

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

Why is the vapor pressure of a warm lake higher than the vapor pressure of a cold lake? o a. warm water has a greater heat of vaporization. ob. warm water evaporates more quickly. cool water evaporates more quickly. od. cool water has a greater heat of vaporization.

What are the genotypic and phenotypic ratios