Q: What is required for communication? A:
OPTIONS:
- transmission and weight of signals
- weight and reception of signals
- lack and reception of signals
- transmission and reception of signals

Answer: transmission and reception of signals

Question: Q: Many transition metals and their compounds are used as what? A:
OPTIONS:
- insulators
- bases
- sealants
- catalysts
Answer: catalysts

input with options: Q: Which kind of vertebrates are amphibians? A:
OPTIONS:
- endothermic vertebrates
- enterococci vertebrates
- arachnids vertebrates
- ectothermic vertebrates
output: ectothermic vertebrates

Q: Q: Why do sodium and chloride ions attract each other? A:

OPTIONS:
- sulfides attract
- magnetism
- like attracts like
- opposites attract

A: opposites attract

input: OPTIONS:
- geothermal energy
- mechanical energy
- radiation energy
- potential energy Now, answer this question: Q: In what form is the heat absorbed when you heat ice and it reaches a temperature of 0 c? A:
A:
output: potential energy

Question: Q: What term describes the process where organisms convert atmospheric nitrogen into biologically useful chemicals? A:
OPTIONS:
- carbon cycle
- cellular respiration
- photosynthesis
- nitrogen fixation
Answer:
nitrogen fixation