Q: The abundance of this substance in the atmosphere is what most scientist agree that is causing global warming? Choices: - argon - iron oxide - liquid dioxide - carbon dioxide A:
carbon dioxide

Q: What are formed by atoms gaining electrons? Choices: - ions - cations - oxides - anions A:
anions

Q: Q: Salts of weak acids or bases can affect the acidity or what of their aqueous solution? Choices: - atomicity - compound - ductility - basicity A:
A: basicity

Question: Q: Why is blue cheese blue? Choices: - artificial dye - bacteria - fermentation - fungus A:
Answer: fungus

*Question*
Q: Diseases of the lungs, bronchial tubes, trachea, nose, and throat affect what organ system? Choices: - digestive - skin - heart - respiratory A:
**Answer**
respiratory

Q: What do dendrites receive signals from? Choices: - hormones - fibers - electrons - neurons A:
neurons