You are on the city council for a large metropolitan area.
Citizens are interested in reducing the amount of noise. Which of
the following would be best for your city to do to reduce noise the
most?
Options
A. Require all vehicles to have mufflers
B. Replace all the stop signs with stoplights
C. Implement a citywide speed limit of 25 mph
D. Require all vehicles to be electric.
Which of the following is true?
A. Noise audible to humans and anthropogenic seismic noise both decreased during the pandemic lockdown.
B. Noise audible to humans increased while anthropogenic seismic noise decreased during the pandemic lockdown.
C. Noise audible to humans and anthropogenic seismic noise both increased during the pandemic lockdown.
D. Noise audible to humans decreased while anthropogenic seismic noise increased during the pandemic lockdown.
You are a marine biologist studying bottlenose dolphins.
Which of the following is your research most likely to show?
A. The pandemic lockdown had no influence on the dolphins' ability to communicate.
B. The pandemic lockdown allowed the dolphins to communicate more effectively.
C. The pandemic lockdown prevented the dolphins from communicating.
D. The pandemic lockdown allowed the dolphins to communicate less effectively.
Which of the following is true?
A. Aerosols remain in the atmosphere for more time than major greenhouse gases.
B. Aerosols remain in the atmosphere for about the same amount of time as major greenhouse gases.
C. It is unknown as to how long aerosols and major greenhouse gases remain in the atmosphere.
D. Aerosols remain in the atmosphere for less time than major greenhouse gases.
Which of the following is most likely?
A. During the lockdown, about the same number of small earthquakes and large earthquakes were recorded.
B. During the lockdown, fewer small earthquakes were recorded than expected than during a comparable time before the pandemic.
C. During the lockdown, more small earthquakes were recorded than during a comparable time before the pandemic.
D. During the lockdown, about the same number of small earthquakes were recorded as during a comparable time before the pandemic.