Which excerpt are you talking about?
D.) In order to calculate both of them, we must know the "FORCE" on the system.
Offspring get two alleles for each trait – one from each parent.
Answer:
And unless people interfere, thermal energy — or heat — naturally flows in one direction only: from hot toward cold. Heat moves naturally by any of three means. The processes are known as conduction, convection and radiation. Sometimes more than one may occur at the same time.
