(Question)
Q: What does hemoglobin in blood carry to the cells? Choices: - methane - carbon dioxide - nitrogen - oxygen A:
(Answer)
oxygen

(Question)
Q: Which planet is the kuiper belt closest to? Choices: - Mars - Jupiter - Venus - neptune A:
(Answer)
neptune

(Question)
Q: Which is the fourth planet from the sun? Choices: - mars - jupiter - earth - mars A:
(Answer)
mars