Q: Q: What are the two basic types of combustion engines? A:

OPTIONS:
- gas and steam
- spark and steam
- diesel and internal combustion
- external and internal combustion engines

A: external and internal combustion engines

input: OPTIONS:
- life
- energy
- protein
- matter Now, answer this question: Q: In some ways, a collection of gas molecules represents the simplest form of what? A:
A:
output: matter

Q: What does phagocytosis defend the body from? A:

OPTIONS:
- allergies
- obesity
- parasites
- pathogens

Answer: pathogens

Problem: OPTIONS:
- protons
- neutrons
- nucleus
- electrons
Q: Q: Gain or loss of what causes an atom to become a negatively or positively charged ion? A:
Answer: electrons

Problem:OPTIONS:
- salt water accumulation
- fresh water ionization
- salt water ionization
- salt water evaporation

Q: What causes halide minerals to form? A:
****
A: salt water evaporation

Problem:OPTIONS:
- 695
- 904
- 375
- 745

Q: How many watts equals a horse power? A:
****
A:
745