Q: What is the term for an underground layer of rock that is saturated with groundwater? Choices: - delta - river - bason - aquifer A:
aquifer

Q: Where are protons and neutrons located? Choices: - radius - electron shell - epidermis - nucleus A:
nucleus

Q: Q: Our global ecological footprint depends on resource use per person and what population factor? Choices: - population fluctuation - population sample - population decrease - population density A:
A: population density

Question: Q: What is the name of the outer layer of skin? Choices: - endodermis - hypodermis - the dermis - the epidermis A:
Answer: the epidermis

*Question*
Q: What term is used to describe the cellular structures responsible for protein synthesis? Choices: - chromosomes - chloroplasts - nuclei - ribosomes A:
**Answer**
ribosomes

Q: What is known as the universal solvent? Choices: - oil - air - vinegar - water A:
water