If you examine the changes in day-by-day electrical demand in the United States, the pronounced daily drop in electrical consumption is most closely associated with
A) people going to work.
B) people sleeping.
C) home heating and cooling systems.
D) daytime activities that consume little energy.
B
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Sea otter reintroduction in Alaska has led to
A) extinction of sea urchins B) increase in kelp forests C) decrease in kelp forests D) ecosystem degradation
Limestone is an example of a(n) ____ rock.
A. igneous B. steel ore C. sedimentary D. metamorphic E. mantle
Which of the following types of caudal fins is asymmetrical, with most of their mass and surface area in the upper lobe?
A) Forked caudal fin B) Heterocercal caudal fin C) Lunate caudal fin D) Rounded caudal fin E) Truncate caudal fin
On long, cold winter nights with clear, calm skies, what pace of nightly cooling will occur and why?
What will be an ideal response?