Questions

The trajectory of the bullet is a parabola

We know that, there are 7 continents in the world. They are :

Asia, Africa, Australia, North America, South America, Europe and Antarctica.

Africa - 53 countries

Asia - 48 countries

Europe - 45 countries

Antarctica - 0 countries

Hence, the continent Africa has most number of countries with 53 countries and in second place Asia has 48 , third Europe has 45 countries.

Byzantium / Cons-tantinople/ Istanbul

Washing soda is the common name for Sodium Carbonate (Na2CO3). It is also called as Soda Ash.

Ulaanbaatar is the capital of Mongolia

Caspian Sea (371,000 sq km)

Microprocessor is a program-controlled device, which fetches the instructions from memory. decodes and executes the instructions. Most Micro Processors are single-chip devices.