Energy is the capacity to do work
Indicate whether the statement is true or false
True
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Water at 4°C that slightly decreases in temperature
A. contracts. B. expands. C. neither of these D. none of the above
Which of the following would function as a pollution reduction method for motor vehicles?
a. Improve motor efficiency. b. Rely on mass transit and bicycles. c. Use emission-control devices. d. Add a charge to new cars based on the amount of pollution they produce. e. All of these answers.
NEO hunters are not actively searching for smaller objects that could destroy entire cities, but instead are focused on detecting larger objects that could threaten entire countries or continents.
Answer the following statement true (T) or false (F)
Compared to the surrounding countryside, cities and developed/built-up areas are:
a. Generally colder. b. Generally warmer. c. Typically no different in temperature. d. Generally much colder.