Q: Enthalpy changes are measured by using what? Choices: - fluorescence - inversion - infraction - calorimetry A:
calorimetry

Q: Bilaterally symmetrical animals have both dorsal and what type of sides? Choices: - exterior - anterior - posterior - ventral A:
ventral

Q: Q: What state of matter is like a liquid in that particles are in contact with each other, but unlike liquids in that the intermolecular forces are strong enough to hold the particles in place? Choices: - plasmas - gases - fluids - solids A:
A: solids

Question: Q: What is the force pulling an object downward called? Choices: - momentum - density - magnetism - weight A:
Answer: weight

*Question*
Q: What is a combination of two or more substances in any proportions called? Choices: - Combination - structure - mix - mixture A:
**Answer**
mixture

(Q).
Q: What do you call materials that have high resistance to electric current? Choices: - conductors - semiconductors - destructive insulators - electric insulators A:
(A).
electric insulators