Problem: OPTIONS:
- endothermic
- geothermal
- biochemical
- exothermic
Q: Q: In a hot water heater, burning fuel causes the water to get hot because combustion is what type of reaction? A:
Answer: exothermic
Problem: OPTIONS:
- water
- acid
- sunshine
- soil
Q: Q: What resource is considered nonrewable for human purposes, because it takes so long to form and is depleted by farming and other activities? A:
Answer: soil
Problem: OPTIONS:
- salts
- enzymes
- bones
- lungs
Q: Q: Pressure relationships inspiration (or inhalation) and expiration (or exhalation) are dependent on the differences in pressure between the atmosphere and these? A:
Answer:
lungs