Answer:
The blue whale( Balaenoptera musculus) is a marine mammalbelonging to the baleen whalesuborder Mysticeti . Reaching a maximum confirmed length of 29.9 meters (98 feet) and weight of 173 tonnes (190 tons), it is the largest animal known to have ever existed.
Explanation:
Answer:
option b : based on birth
Explanation:
In the ancient times, the emphasis was given on to blood line. if the person was born in a wealthy household, he/she would ultimately be subjected to a lot of power.
An essential nutrient is a nutrient required for normal body functioning that can not be synthesized by the body. Categories of essential nutrient include vitamins, dietary minerals, essential fatty acids and essential amino acids.
