Q: Life itself could not exist without what energy, which plays a vital role in photosynthesis? Choices: - time energy - spin energy - magnetic energy - light energy A:
light energy

Q: The rate of a reaction can be expressed either in terms of the decrease in the amount of what or the increase in the amount of a product per unit time? Choices: - plasma - sulfate - isotope - reactant A:
reactant

Q: Q: Batteries produce voltage through what type of reaction? Choices: - magnetic - radiation - thermal - chemical A:
A: chemical

Question: Q: Most amphibians breathe with these as larvae? Choices: - nostrils - lungs - pores - gills A:
Answer: gills

*Question*
Q: What scientific word, which gives its name to a type of rock, means "to change form"? Choices: - evaporation - evolution - igneous - metamorphism A:
**Answer**
metamorphism

*Question*
Q: Gibbs free energy values can be used to determine what? Choices: - equilibrium differentials - prime constants - equal lines - equilibrium constants A:
**Answer**
equilibrium constants