input: OPTIONS:
- fuses , circuit breaks & surge claws
- tranistors, resistors & diodes
- fuses , fabrication breaks & surge protectors
- fuses, circuit breaks & surge protectors Now, answer this question: Q: What are the three most common protective devices? A:
A:
output: fuses, circuit breaks & surge protectors

Q: What kind of lines does a diffraction grating produce? A:

OPTIONS:
- nearly spaced lines
- properly spaced lines
- randomly spaced lines
- evenly spaced lines

Answer: evenly spaced lines

Problem: OPTIONS:
- hypothesis
- frequency
- diversity
- accuracy
Q: Q: What describes how close an estimate is to a known standard? A:
Answer: accuracy

Problem:OPTIONS:
- reptiles
- amphibians
- insects
- mammals

Q: A major diversification of what animal group occurred about 50 million years ago, possibly spurred by worldwide climate change? A:
****
A: mammals

Q: What process converts the sun's hydrogen nuclei into helium? A:
OPTIONS:
- solar fission
- nuclear fission
- combustion
- nuclear fusion
nuclear fusion

Q: What is the term for when organisms need other organisms to survive? A:
OPTIONS:
- intradependence
- realization
- coexistence
- interdependence

Answer:
interdependence