Answer:
Relative age is the age of a rock layer.
Absolute age is the numeric age of a layer of rocks or fossils.
Explanation:
Answer:
<u>D) A base.</u>
Explanation:
A base in chemistry is something that is slippery, hence it being a soap.
Answer: There are 0.499 moles present in
molecules of Boron trichloride.
Explanation:
According to mole concept, there are
molecules present in 1 mole of a substance.
Hence, number of moles present in
molecules are as follows.

Thus, we can conclude that there are 0.499 moles present in
molecules of Boron trichloride.