(Question)
Q: What property of food is determined by burning the food and measuring the heat released? Choices: - acidity - nutrients - additives - calories A:
(Answer)
calories

(Question)
Q: The pion can only be created by violating the conservation of what? Choices: - quantum physics - time-space - momentum - mass-energy A:
(Answer)
mass-energy

(Question)
Q: Land plants are classified into two major groups according to the absence or presence of what tissue? Choices: - disease - root - bacterial - vascular A:
(Answer)
vascular