Which of the following is not evidence of recent activity at a volcano?
A) Thick, well-developed soil
B) Layer of ash blanketing hillslopes
C) Unweathered lava flows
D) Ash flows lacking a well-developed soil
A) Thick, well-developed soil
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Explain the process of convection as it occurs on Earth , and include a diagram of a convection cell. Make sure your
drawing shows Earth’s core, mantle, crust, a spreading ridge, and a trench. What will be an ideal response?
Which of these is an example of an autotroph (producer)?
a. animals b. plants c. minerals d. nutrients e. omnivores
What is a floodplain? How does it form?
What will be an ideal response?
The European wild boar is considered an invasive species because it
A. competes for food with native endangered species. B. causes traffic accidents. C. provides game. D. controls pest populations of the Argentina fire ant. E. is a variety of the feral pig.