Which of the following volcanic hazards can be expected to affect areas at the greatest distance from the vent?
a. pyroclastic flows
b. lava flows
c. debris avalanches
d. lahars
d
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Which of the following helps us identify things as resources for different uses?
A) economic values B) cultural values C) natural resources D) natural culture E) political systems analysis
How do septic systems work to make sewage safe for use as water? What will be an ideal response?
Which of the following statements about coral reefs and seamounts is most accurate?
a) Seamounts at the ocean surface grow away from coral reefs over time. b) Seamounts at the ocean surface grow towards coral reefs over time. c) Coral reefs at the ocean surface grow away from seamounts over time. d) Coral reefs at the ocean surface grow towards seamounts over time.
Which of the following is a major contributor to the decline in pollinator populations?
A) Use of genetically modified crops B) Use of domesticated bees for pollinating fruit crops C) Use of insecticides in agricultural areas D) Collisions with vehicles