Q: What is the suns innermost layer called? Choices: - surface - solar - flare - core A:
core

Q: What branch of physics deals with the smallest units of elements and compounds? Choices: - oxygen - quantum - gravity - atomic A:
atomic

Q: Q: Earthquakes and visible light are examples of what? Choices: - geological phenomena - currents - winds - waves A:
A: waves

Question: Q: Which temperatures cause particles of reactants to have more energy? Choices: - non-existant - reducing - lower - higher A:
Answer: higher

*Question*
Q: What does the human protein cytokine help fight? Choices: - mutations - parasites - toxins - infections A:
**Answer**
infections

(Question)
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:
(Answer)
reactant