The correct answer is (d). The world’s largest known asteroid impact zone is located in the Vredefort Dome in South Africa. The Vredefort Dome is a large impact structure that formed about 2 billion years ago. It is the largest known impact structure on Earth, and it is also one of the oldest. The Vredefort Dome is about 300 kilometers in diameter, and it is estimated that the asteroid that created it was about 10 kilometers in diameter. The impact caused a massive explosion that vaporized the asteroid and threw up a huge cloud of dust and debris. The impact also caused the ground to shake and the surface to melt. The Vredefort Dome is now a UNESCO World Heritage Site, and it is a popular tourist destination.
(a) Africa: The Vredefort Dome is not located in Africa.
(b) Australia: The Vredefort Dome is not located in Australia.
(c) South America: The Vredefort Dome is not located in South America.