Q: What is pollution that enters water at just one point called? Choices: - entry point pollution - point supply pollution - point supply pollution - point source pollution A:
point source pollution

Q: What is defined as the amount of force acting on a given area? Choices: - resistance - density - power - pressure A:
pressure

Q: Q: What forms when nitrogen and oxygen combine at high temperatures? Choices: - oxygen oxide - ammonia oxide - carbon dioxide - nitrogen oxide A:
A: nitrogen oxide

Question: Q: What are the two most common silicates? Choices: - Analcime and Feldspar - Petalite and Quartz - Petalite and Analcime - feldspar and quartz A:
Answer: feldspar and quartz

*Question*
Q: What type of molecule is carbon dioxide (co2)? Choices: - non-linear - planar - filter - linear A:
**Answer**
linear

Q: Q: Name the process that produces many copies of a certain gene. Choices: - gene diversion - gene multiplication - gene addition - gene cloning A:
A: gene cloning