Q: What basic plant structures generally have large surface areas and high surface-to-volume ratios? Choices: - roots - stems - flowers - leaves A:
leaves

Q: What form of matter has neither a definite shape nor a definite volume? Choices: - plasma - solid - liquid - gas A:
gas

Q: Q: In vascular plants, the sporophyte generation is what? Choices: - non-existant - submissive - resting - dominant A:
A: dominant

Question: Q: Controlled variables are kept what to prevent them from influencing the effects of the independent variable on the dependent variable? Choices: - mechanical - temporary - fleeting - constant A:
Answer: constant

*Question*
Q: What is already causing food and water shortages and species extinctions? Choices: - urbanization - immigration - zero population growth - global warming A:
**Answer**
global warming

Q: Q: What is produced when sulfur and oxygen combine? Choices: - Acidic oxides - hydrogen oxide - Basic Oxides - sulfur oxide A:
A: sulfur oxide