Q: The heart and the arteries and veins are associated with what system of the body? Choices: - metabolism - digestion - respiration - cardiovascular A:
cardiovascular

Q: What is released during an enthalpy reaction? Choices: - gold - precipitation - sound - heat A:
heat

Q: Q: The presence of what, which acts as a trigger, affects the rate of chemical reaction? Choices: - friction - heat - light - catalyst A:
A: catalyst

Question: Q: What are mars' moons thought to be? Choices: - guerrillas asteroids - new asteriods - common asteriods - captured asteroids A:
Answer: captured asteroids

*Question*
Q: What is the microtubule-organizing center found near the nuclei of animal cells? Choices: - lysosome - spliceosome - entrosome - centrosome A:
**Answer**
centrosome

(Question)
Q: What occurs when water on the surface changes to water vapor? Choices: - oxidation - photosynthesis - condensation - evaporation A:
(Answer)
evaporation