Q: Q: Compounds that contain mainly the elements carbon and hydrogen are called what kind of compounds? Choices: - microscopic compounds - reactive compounds - natural compounds - organic compounds A:
A: organic compounds

Q: Q: Which theory helps predict future events in weather? Choices: - expected change theory - future weather theory - carbon change theory - climate change theory A:
A: climate change theory

Q: Q: Snakes use what anatomical structure to smell scents in the air? Choices: - forked tails - branched tongue - forked eyes - forked tongue A:
A: forked tongue

Q: Q: What travels 9.5 trillion kilometers a year? Choices: - Sound - electricity - air - light A:
A: light