(Question)
Q: The mixture of gases that surrounds the planet and makes up the atmosphere is known as ________. Choices: - energy - vaccum - fuel - air A:
(Answer)
air

(Question)
Q: All cells need what for processes like active transport? Choices: - hydrogen - sunlight - oxygen - energy A:
(Answer)
energy

(Question)
Q: What are angiosperms most important function to humans? Choices: - oxygen production - gasoline - water filtration - food A:
(Answer)
food