Q: What form of energy is light? Choices: - hydro - seismic - mechanical - electromagnetic A:
electromagnetic

Q: Electromagnets can be controlled by controlling what type of current? Choices: - magnetic - positive - negative - electric A:
electric

Q: Q: What is the term for a substance that causes the speed of a reaction to increase? Choices: - indicate - component - monite - catalyst A:
A: catalyst

Question: Q: What occurs between long warm climate periods? Choices: - hurricanes - mass extinction - drought - ice ages A:
Answer: ice ages

*Question*
Q: Basidiomycetes do what to wood and other plant material? Choices: - evolve - revive - evaporate - decompose A:
**Answer**
decompose

(Q).
Q: What kind of variation does a rate measure? Choices: - environment to time - value to time - construction to time - property to time A:
(A).
property to time