Questions

776 BC

The system board is also known as the Mother board, Main circuit board, Baseboard or logic board.

Isotopes are variations of an element that have the same charge as the original element, but a different mass, which is caused by either more/less neutrons in the nucleus.

Panama Canal is called the 'Gateway of the Pacific'.

Ans. D.
Solution: In the given sentences banking upon is the correct phrasal verb which means basing hopes on someone/something or depending on someone for something.
Option D is incorrect because the bank does not have any relevant meaning in the given context.

Opportunity cost is the cost of other alternative choices for making your interested choice of work. Oppurtunity cost is also called as alternative cost.

For example on a holiday, you have two choices to do, either you can go to movie or a function. And if you chose to go to moavie, the oppurtunity cost of going to movie is the value that would have gotten if you had gone to function.

The law of increasing opportunity costs states that as you increase production of one good, the opportunity cost to produce an additional good will increase.