Oils are generally liquids at room temperature and are obtained from plants.
Hope this helps you;)
Volumes.
If you put equivalent volumes in a bag, where both weigh the same, the density might get equal.
Hope it helped,
Happy homework/ study/ exam!
Discontinuous variation is when a trait is seen in a population in two or more different forms and there is no continuation along a gradient. A good example that Mendel studied is flower color. The flowers were either white or purple. There was no in between color. This is caused by an allele for purple or a lack of an allele for purple, which produces no pigment, or white.
I think it would be A. Helicase
I might be wrong but soil?