The word troposphere has a Greek root word that means ________
What will be an ideal response?
Answer: "turning" sphere
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If a country's ecological footprint is larger than its biological capacity to replenish its renewable resources and absorb the resulting waste and pollution:
a. It is said to have an ecological deficit. b. It should be supported by other countries with smaller footprints. c. It is said to be a sustainable society. d. It is most likely a developing country. e. More than one of these answers is correct.
Plants that have developed mechanisms to combat drought are known as:
a. driophytes. b. xerophytes. c. trilobytes. d. trogolodytes.
Radiometric dating is based on ____
a. the presence of fossils b. cross-cutting relationships c. spontaneous decay of radioactive elements d. superposition e. dendrochronology
Manganese nodule mining has not developed because of ________.
A. unresolved legal ownership problems B. technical and developmental costs C. low international market prices in metal D. All of these are correct. E. None of these is correct.