(Question)
Q: In birds, modified front legs are actually what? Choices: - tails - arms - claws - wings A:
(Answer)
wings

(Question)
Q: The cell theory and the theory of evolution by natural selection are basic to all fields in what branch of science? Choices: - rock science - zoology - chemistry - life science A:
(Answer)
life science

(Question)
Q: What is defined in physics as the amount of force pushing against a given area? Choices: - energy - gravity - resistance - pressure A:
(Answer)
pressure