Nails are made of iron because, iron is strong and sturdy; although nail rust when it undergoes oxidation when expose to water but it is not explosive.
Barium and phosphorus are not suitable for nail making because of their properties.
Barium is an element which reacts with virtually all non metals, forming poisonous products which are dangerous to health and to the environment. It also reacts explosively with water.
Phosphorus is not found in its pure form in nature, it conducts electricity and it is combustible in nature.<span />
After a large meal, the pancreas helps by producing insulin, which helps break down sugars.
Answer:
The correct answer is option B "It will become narrower (span a more narrow range of ambient temperatures)".
Explanation:
Dogs, and other animals with fur, use their pelage to increase the range of ambient temperatures that they can tolerate. The way they do it is by altering their fluffiness depending if they are exposed to cooler or heater temperatures. If a dog is shaved, its thermoneutral zone will become narrower. Therefore, the dog will not be able to live in extremal temperature conditions as it did before with its fur.
