Q: What atmosphere do gills help exchange gas in? Choices: - stratosphere - ecosystem - air - water A:
water

Q: When we neutralize a weak base with a strong acid, the product is ________ containing the conjugate acid of the weak base. Choices: - an electron - an ion - water - salt A:
salt

Q: Q: Momentum is directly related to both mass and? Choices: - mass - intensity - speed - velocity A:
A: velocity

Question: Q: What organism constitutes frothy green "pond scum"? Choices: - bacteria - sponges - protozoa - algae A:
Answer: algae

*Question*
Q: The way a mineral cleaves or fractures depends on what part of the mineral? Choices: - the fault structure - the core - the crust - the crystal structure A:
**Answer**
the crystal structure

(Question)
Q: What is the term for the smallest blood vessels? Choices: - muscles - Aortas - arteries - capillaries A:
(Answer)
capillaries