Q: What term describes a collection of similar cells that had a common embryonic origin? Choices: - organ-level organization - plasma - nucleus - tissue A:
tissue

Q: Conductivity, oxidation state and physical appearance are properties that help determine whether what are metals? Choices: - atoms - phases - organisms - elements A:
elements

Q: Q: How is a reaction described when the given conditions favor formation of products? Choices: - instantaneous - fluctuations - planned - spontaneous A:
A: spontaneous

Question: Q: A lake is an example of what type of biome? Choices: - natural biome - wet biome - organic biome - freshwater biome A:
Answer: freshwater biome

*Question*
Q: Some isotopes are stable indefinitely, while others are radioactive and do what through a characteristic form of emission? Choices: - replicate - bond - expand - decay A:
**Answer**
decay

(Question)
Q: Why are noninfectious diseases not contagious? Choices: - they are contagious - they are viral - they are inherited - non-pathogen caused A:
(Answer)
non-pathogen caused