Question: Q: What kind of reactions absorb energy from their surroundings as they occur? Choices: - exothermic - hydrostatic - autotrophic - endothermic A:
Answer: endothermic

Question: Q: What is the vector sum of all the torques acting on the object called? Choices: - critical torque - total torque - gross torque - net torque A:
Answer: net torque

Question: Q: What molecules are usually insoluble in water? Choices: - polar - acids - ions - non-polar A:
Answer:
non-polar