Which of the following renewable energy power sources makes up 50% of the renewable energy currently consumed?
A) geothermal B) biomass C) hydropower D) wind E) solar
Answer: C
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Slash-and-burn—the name given to an early innovation that enabled the growth of minisystems into early world-empires—refers to an innovation in
A) agriculture. B) warfare. C) metal-working. D) urbanization. E) colonization.
A neutron makes a better nuclear bullet than a proton or an electron because it
A) has the greatest mass. B) carries no electrical charge. C) can be accelerated by electromagnetic fields. D) all of the above
Mica and clay minerals have a platy crystal form because they have a sheet-like structure of silica
tetrahedra. Indicate whether the statement is true or false.
Which of the following are examples of “use value of place”?
a) New housing developments b) High levels of mobility and transition among residents c) Open land being maintained for a park rather than sold d) Pro-growth business coalitions