Which of the following is true regarding phase changes?
A. All phase changes involve the release of energy.
B. Energy is released when going from higher to lower energy state.
C. Energy is required to go from a higher to lower energy state.
D. All phase changes require energy.
Answer: B
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What characteristics of the climate in these regions would tend to limit the growth of forest?
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?
One way to reduce the effects of acid rain is to remove lead from fuels.
Answer the following statement true (T) or false (F)
Geology can help us learn about Earth's past by studying
a) why continents have different regions b) why a landscape looks the way it does c) how life in the past was different than today d) how global climate has changed since the ice ages e) all of these
Which relationship is an example of mutualism?
a. anemone fish and sea anemone b. pea crabs and mussels
c. nematodes and fin whales d. copepods and phytoplankton e. whales and krill