Answer: Option [D]The correct answer is Cretaceous extinction. The Cretaceous–Paleogene extinction event was a sudden mass extinction of three-quarters of the plant and animal species on Earth, approximately 66 million years ago.
Answer: Option [C]The correct answer is Omnivores. An omnivore is an animal that has the ability to eat and survive on both plant and animal matter.[
Answer: Option [A]The correct answer is 7-8%. India is one of the most biologically diverse countries in the world. It accounts for 7-8% of all recorded species, and is home to 49,000 plant species and 91,000 different animal species.
Answer: Option [D]The correct answer is between 1.5 and 2.5 metres. Prairies are flat, fertile lands dominated by grasses. Prairie grasses, like these in the U.S. state of Colorado, hold soil firmly in place, so erosion is minimal.
Answer: Option [B]The correct answer is Africa. Somalia, Chad and Niger appear to be the least water-secure countries in Africa. There has been little progress in national water security of most African states over the past three to five years, the report finds.