Ice beneath the blades of ices skates is slippery due to
A. solid ice pressurized into liquid water.
B. empty spaces in ice crystals being crushed.
C. added pressure on the ice surface.
D. all of the above
Answer: A
You might also like to view...
Which Köppen climate type (or types) is most closely associated with the mediterranean woodland and shrub biome?
Using the global map of biome distribution (Map T-30 in the back of the Lab Manual), the map of climate distribution (Map T-29), the maps of global temperature (Maps T-28a and T-28b), the map of global precipitation (on the inside front cover of the Lab Manual), as well as information about Köppen climate types from Exercise 23, answer the question. What will be an ideal response?
A covalent bond is associated with which of the following?
A) interactions between nuclei B) the sharing of electrons C) the transfer of electrons D) all of these
Which of the following global warming mitigation efforts generates more emotion than any others?
A) reducing fossil fuel use B) biostorage absorption C) increasing nuclear energy use D) using more renewable energy E) installing scrubbers on industrial plants
Which of the following contributes most to sustainability?
A. Abundant use of resources B. Distribution of poverty C. Rapid population growth D. Inclusion of environmental and health costs in market prices E. Natural capital degradation