The notable
hardness of bone is attributed to the presence of inorganic hydroxyapatites.
Due to the calcium salts deposited in it, resulting to the hardness. The
abnormal hardness of bone, which allows it
to resist the compression.
it will be person d, as bikes are made of metal, tents have metal poles, and if person a is in a meadow, they are the tallest structure. a house will act as a shield and absorb the electricity, heat, and energy produced by the lightning.
Answer:
the second one
Explanation: IN the text it literally states it explicitly.