Concubine is defined as the secondary wife, who is inferior in rank. Mistress is a woman who has an extramarital relationship with a married man.

Efficiency is the state or quality of being competent in performance. Effectiveness is the degree to which something is successful in producing a desired result.

Kindergarten and nursery both denote a type of preschool that focuses on the children aged three to five years. Generally, nursery is used to denote a preschool that focuses on the kids aged three to up to...

Proteins are the primary building blocks for one’s body’s tissues. 20 amino acids are essential for the human body. Mass gainer is basically used to meet the caloric requirements. It is helpful for those who...

<p>Moron and idiot are considered to be one and the same thing. A Moron is a person who is notably stupid and frustrating or lacking in good judgment. An idiot is a person who is very foolish and...