Questions

In transfusions of packed red blood cells, individuals with type O Rh D negative blood are often called universal donors. Those with type AB Rh D positive blood are called universal recipients.

The immune system of a person with AB blood will accept blood from all possible donors, whether they have O, A, B, or AB blood. Since both A and B antigens are present in a person with AB blood, the recipient won't reject the blood. The body identifies that blood as "self" rather than "foreign."

As a result of wartime production, the average work week for people increased.

Virat Kohli has become the fastest batsman to score 19000 international runs in just 299 matches.

The Congress of Vienna in 1814 to 1815 led to revolts in France because many people do not want absolute Monarchy.

Although demand curves are typically downward sloping to reflect that consumers’ utility for a good diminishes with increased consumption, firm supply curves are generally upward sloping.The upward sloping character reflects that firms will be willing to increase production in response to a higher market price because the higher price may make additional production profitable.

Rio de Janeiro has been named as the World Capital of Architecture for 2020.