Answer to Question 1
Answers will vary based on region. Biotic components of an area refer to the living components of the ecosystem, whereas the abiotic components refer to the nonliving, yet still important, factors in an ecosystem. Use Table 5-1 and Figure 5-10 as references for determining the biome type.
Answer to Question 2
At the end of 2011, there were 40 plants worldwide with capacities greater than 20 MW, with 31 more planned or under construction. . . . However, the most promising future for PV power is in the installation of PV panels on rooftops, where a huge amount of unused space is readily available. Utilities are encouraging PV power with incentives to those who use solar power.