D) Pituitary
The reason for the answer being choice D is because the pituitary gland is a small pea-sized body attached to the base of the brain. The pituitary gland is important in controlling growth and development and the functioning of the other endocrine glands.
The answer would be A. 500g because the candle would not lose mass despite being melted. Melting the candle is only a physical change and not a chemical change resulting in no change in the mass.
Answer:
Vestigial structures
Explanation:
Vestigial structuresserve little or no present purpose for an organism. The human tail, which is reduced to the tailbone during development, is one example.
The answer you are looking for is C. Nitrogen. Commonly found as Nitrite
(N3) or Nitrate (N2) nitrogen is a key element required by all life. Nitrogen is most often released back into the atmosphere by micro-organisms during the decomposition of organic matter, and into the ground through decomposition and defecation (Pooping).
