Q: If a solute is a gas, increasing the temperature will do what? Choices: - increase its solubility - have no effect - change to liquid - decrease its solubility A:
decrease its solubility

Q: In what state of matter are particles rigidly fixed in space and held tightly to neighboring particles? Choices: - Gases - liquids - energies - solids A:
solids

Q: Q: What is a group of similar ecosystems with the same general abiotic factors and primary producers? Choices: - ecoregion - family - taxon - biome A:
A: biome

Question: Q: Which proteins recognize and combine with harmful materials, including both toxic chemicals and invasive microorganisms? Choices: - enzymes - collagen - essential amino acids - antibodies A:
Answer: antibodies

*Question*
Q: Gradual degradation of a material due to its exposure to the environment is known as what? Choices: - metabolism - erosion - destruction - corrosion A:
**Answer**
corrosion

*Question*
Q: Members of the genus trypanosoma are flagellate protozoa that cause what? Choices: - cancer - hypertension - mutations - sleeping sickness A:
**Answer**
sleeping sickness