Why are there no giant insects?
What will be an ideal response?
Insects rely on a series of branched tubules connected to the outside air for oxygen. Oxygen must diffuse through the trachea to reach the tissues, a strategy that works well only in extremely small bodies. A giant insect would not be able to obtain enough oxygen for its tissues.
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What is the best use of coal if you want it to yield the highest possible net energy?
A. smelting iron ore B. producing electricity C. fueling a steam engine boat D. heating your house
Which of the following describes what the average Earth surface temperature would be without the atmospheric greenhouse effect?
A. higher than it is now B. the same as it is now C. much more variable than it is now D. lower than at it is now
Southern Spain, Italy, and Greece, central California:
From Table 29.1, the biome map, and the climate map, determine the terrestrial biome that best characterizes each of the following descriptions and write its name on the first line provided. On the second line, relate it to temperature and precipitation regimes and/or global pressure and wind belts outlined at the end of Section 1.
Use your knowledge of plate boundaries to answer whether a volcano is likely or unlikely to form at the location of the red triangle.
A. likely B. unlikely