Question

The length of the side of a square field A is thrice the length of the side of another square field
B. What is the ratio of the area of square field A to the area of square field B?​

Answer 1

Answer:

Scientists say they now have a much clearer picture of the climate catastrophe that followed the asteroid impact on Earth 66 million years ago. The event is blamed for the demise of three-quarters of plant and animal species, including the dinosaurs. ... The abrupt change explains why so many species struggled to survive.