Q: What do animals store with the help of saturated fatty acids? Choices: - oxygen - sugar - protein - energy A:
energy

(Question)
Q: What gas do the lungs give up as they take in oxygen? Choices: - carbon monoxide - methane - nitrogen - carbon dioxide A:
(Answer)
carbon dioxide

Ques: Q: What is the basic structure that holds plants upright, allowing plants to get the sunlight and air they need? Choices: - twig - stamen - root - stem A:
Ans: stem

(Q).
Q: What is a common condition caused by stomach acid? Choices: - arthritis - headache - sunburn - heartburn A:
(A).
heartburn

Ques:Q: The quarks in a particle are confined, meaning individual quarks cannot be what? Choices: - separated - changed - hypothesized - directly observed A:

Ans:directly observed

Q: How many orders can flying birds be divided into? Choices: - 31 - 44 - 19 - 29 A:
29