Q: Which acid contains only one ionizable hydrogen? Choices: - citric acid - lactic acid - amino acid - monoprotic acid A:
monoprotic acid

Q: What type of systemic response involves lymphocytes? Choices: - natural - chronic - inflammation - immune A:
immune

Q: Q: Regardless of the mode, light is modeled as traveling in straight lines called what? Choices: - waves - arrows - electrons - rays A:
A: rays

Question: Q: What is the first year of life following birth called? Choices: - baby - childhood - toddler - infancy A:
Answer: infancy

*Question*
Q: What appears in autumn when cool air moves over a warm lake? Choices: - misty fog - feature fog - movement fog - steam fog A:
**Answer**
steam fog

*Question*
Q: Arguably the most important ingredient in saliva for digestion is a type of what, which initiates the breakdown of carbohydrates? Choices: - amino - genes - fatty - enzyme A:
**Answer**
enzyme