The world has seven continents. In terms of area, the two largest continents are Asia and Africa. The former is larger.
Asia and Africa.
Asia
asia
Africa, Asia
Asia and Africa.
Asia and Africa.
Asia and Africa are the continents with the largest land areas in the world.
Africa and Asia
The two largest and highest mountain ranges in the world are the Himalayas in Asia and the Andes in South America.
Russia is the largest country in the world, and therefore the largest one in the eastern hemisphere. It doesn't exactly 'cover' two continents, but it extends into them, with part of the country in Europe and the remainder in Asia.
The contry that has two continents is Russia. The two continents in Russia are Europe and Asia. By the way you could have googled "The seven continents of the world" in images it would have been much quicker.