Q: When fossil fuel is burned the chemical energy is converted into what? Choices: - kinetic energy - atmospheric energy - natural energy - thermal energy A:
thermal energy

Q: What do aquatic arthropods use to exchange gases with the water? Choices: - nostrils - pores - lungs - gills A:
gills

Q: Q: A newborn baby has a soft spot on the top of its head. over the next few months, the soft spot gradually does what? Choices: - weakens - grows - shrinks - hardens A:
A: hardens

Question: Q: A new species is said to have evolved if separated members of a species evolve genetic differences that prevent what from occurring with the original members?? Choices: - extinction - evolution - re-population - interbreeding A:
Answer: interbreeding

*Question*
Q: What causes blue litmus to turn red? Choices: - oxygen - base - carbon - acid A:
**Answer**
acid

(Question)
Q: Untreated botulism is typically fatal because muscles required for breathing fail to contract when the release of what chemical is blocked? Choices: - carbon dioxide - monoxide - hydrogen - acetylcholine A:
(Answer)
acetylcholine