Scientists cite evidence that Earth's climate has been changing significantly over the past 50 years. They also argue that changes to Earth's orbital path are NOT the cause of these significant changes to climate. Which statement provides the STRONGEST evidence in support of the scientists' argument? A. Variations in Earth's orbital path are consistent with accepted laws of planetary motion. B. Earth's orbital path does not affect the amount of solar energy that Earth receives. C. Changes to Earth's orbital path occur in a cycle that repeats every 100,000 years. D. Climate change cannot be demonstrated over a span of 50 years.

12) several teeth were found in an area of flat land covered with trees and plants. the teeth were examined by a paleontologist, and it was determined that the teeth came from a shark. they found many other shark teeth in this area. however, the people who discovered the teeth were puzzled, because there was no source of water near where the fossils were found. what is the paleontologist's best explanation for why the teeth were found in this area? a) sharks used to live on flat land. b) this area was once covered with salt water. c) this area was once covered with freshwater. d) someone buried the shark teeth deep in the ground.