Plants synthesize the sugar dextrose (C6H12O6 ) according to the following chemical reaction by absorbing radiant energy from the Sun (photosynthesis)
6 CO2 + 6 H2O ? C6H12O6 + 6 O2 Should energy be written on the left-hand side or right-hand side of this equation?
Left-hand side (endothermic reaction).
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Which of the following is NOT one of the eight most common elements in the Earth's crust?
a. potassium b. calcium c. aluminum d. carbon
Draw a diagram of the rock cycle. Be sure to include the following terms: igneous rocks, magma, metamorphic rocks, sedimentary rocks, sedimentation, weathering, heat, and pressure.
What will be an ideal response?
The zone of low pressure and calm winds located near the equator is referred to as the:
a. horse latitudes. b. doldrums. c. easterlies. d. westerlies.
The objective of a species recovery plan is to
A. Invest corporate capital in species maintenance B. Interbreed threatened species with common species C. Increase an endangered species population until it is no longer endangered D. Study the species for a better understanding of its role in the biological community E. Protect the species to aid other organisms and resources in the ecosystem