Q: Vaccination is the process of exposing a person to pathogens on purpose so the person will develop what? Choices: - sensitivity - allergy - autonomy - immunity A:
immunity

Q: What is the process by which plants gain energy and produce sugar? Choices: - glycolysis - respiration - chemosynthesis - photosynthesis A:
photosynthesis

Q: Q: What part of an atom is electrically neutral? Choices: - protons - electrons - newtons - neutrons A:
A: neutrons

Question: Q: Practical limits of van de graaff generators arise because the large electric fields polarize and eventually do what to surrounding materials? Choices: - displace - isolate - decompose - ionize A:
Answer: ionize

*Question*
Q: Any sample of matter that has the same physical and chemical properties throughout the sample is called what? Choices: - element - molecule - type - substance A:
**Answer**
substance

*Question*
Q: Electrophiles have a strong tendency to react with what? Choices: - acids - neutrons - resistors - nucleophiles A:
**Answer**
nucleophiles