Q: The three classes of elements are metals, nonmetals, and what? Choices: - ionic compounds - molecules - atoms - metalloids A:
metalloids

Q: What remains a constant of radioactive substance over time? Choices: - temperature - volatility - acidity - rate of decay A:
rate of decay

Q: Q: What are the organelles on which proteins are made during protein synthesis called? Choices: - mitochondria - lysosomes - fibroblasts - ribosomes A:
A: ribosomes

Question: Q: The spin quantum number describes the spin for a given what? Choices: - ion - element - proton - electron A:
Answer: electron

*Question*
Q: What kind of a relationship do plants and soil have? Choices: - one-way relationship - dimorphic relationship - contentious relationship - two-way relationship A:
**Answer**
two-way relationship

*Question*
Q: What is used during filtration to push fluids and solutes, from higher pressure areas to lower pressure areas? Choices: - constructs pressure gradient - limited pressure gradient - magnesium pressure gradient - hydrostatic pressure gradient A:
**Answer**
hydrostatic pressure gradient