Are pterosaurs more closely related to turtles or to crocodilians? explain your answer.

Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food

Why did benjamin franklin refuse to write the declaration of independence? a. he did not want his humor to distract from the document's purpose. b. he was not from a southern colony. c. his poor vision made it difficult to write.

Sarah backstrokes at an average speed of 8 meters per second how long will it take her to complete the race of 200 meters length