A) Energy is absorbed in the reaction.
Such reactions are called endothermic reactions.
<span>B. The properties they have</span>
Process is called condensation and it happens when heat is removed from gaseous system.
It seems that you have missed the necessary options for us to answer this question so I had to look for it. Anyway, the answer to the given statement is FALSE. Pigments are NOT always made of natural materials. Pigments can either be man-made or the one that occurred naturally as what you see in our environment. Hope this helps.
