Ques: Q: The ether functional group consists of an oxygen atom which forms single bonds with what other atoms? Choices: - hydrogen - acid - enzymes - carbon A:
Ans: carbon

Ques: Q: Providing evidence of their ancestry, some species of what legless animals retain vestigial pelvic and limb bones? Choices: - dolphins - sharks - whales - snakes A:
Ans: snakes

Ques: Q: The galapagos islands are a group of 16 volcanic islands 600 miles off the west coast of what continent? Choices: - north america - europe - asia - south america A:
Ans: south america

Ques: Q: What type of invisible waves are used in microwaves? Choices: - convection - electric - thermal - radiation A:
Ans:
radiation