Q: What is the movement of muscle in the digestive system called? Choices: - acid reflux - labor contractions - apoptosis - peristalsis A:
peristalsis

Q: How many different types of taste can be detected by taste buds? Choices: - three - two - hundreds - five A:
five

Q: Q: Which action of the stomach helps chemical digestion by gastric juice? Choices: - peristalsis - chewing - contraction - churning action A:
A: churning action

Question: Q: In a chemical reaction, the amounts of reactants and products will be constant when what state is attained? Choices: - saturation - peak - homogeneity - equilibrium A:
Answer: equilibrium

*Question*
Q: Heavier isotopes of plutonium are also produced when lighter plutonium nuclei capture what? Choices: - protons - electrons - molecules - neutrons A:
**Answer**
neutrons

Q: Q: Scrubbers and catalytic converters are examples of technologies that change what into harmless compounds? Choices: - contaminants - toxins - mutations - pollutants A:
A: pollutants