Q: What type of acid is often used as a preservative for acidic foods such as fruit juices? Choices: - hydrochloric acid - sulfuric acid - citric acid - benzoic acid A:
benzoic acid

Q: Photosynthesis produces oxygen as a byproduct, and respiration produces what as a byproduct? Choices: - carbon monoxide - nitrogen - ozone - carbon dioxide A:
carbon dioxide

Q: Q: Most bird species display this behavior, meaning the male and female remain together for breeding for a few years or until one mate dies? Choices: - dichotomy - polygamy - isolation - monogamy A:
A: monogamy

Question: Q: Kinetic energy of moving particles of matter, measured by their temperatures are known as: Choices: - visible energy - atmospheric energy - solar energy - thermal energy A:
Answer: thermal energy

*Question*
Q: The average number of individuals per unit of area or volume is referred to as a population's what? Choices: - increase - diameter - output - density A:
**Answer**
density

Q: Q: What is the place called where the axon of one neuron meets the dendrite of another? Choices: - uptake - neurotransmitter - apoptosis - synapse A:
A: synapse