D) Chlorine is reduced as hydrogen is added whereas Iron is oxidised as Joins with a non hydrogen compound.
Answer:
B highlands and polar, very little percipitation is found in polar regions, and high lands contributes to that
Explanation:
Answer : (C) The heat of fusion for water is the amount of energy needed for water to melt.
Explanation :
Heat of fusion : It is calculate the amount of energy required for melting of a substance to change its states from solid to liquid at constant pressure.
Fusion is a process in which phase changes from solid to liquid.
In case of water, the solid ice converted into liquid water by the process of melting.
The reaction of phase changes in water is,

Answer:
False
Explanation:
Because laws and theories are developed for different purposes, laws never become theories, and theories do not become laws.