Southern Alaska remains an area of great earthquake hazard; it is located above a subduction zone.
Answer the following statement true (T) or false (F)
True
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As oceans become more acidic, the shells of tiny sea snails tend to dissolve. This is a concern because:
a. The snail shells provide material for jewelry making on south sea islands. b. The shells are ground up and used for fertilizer for agricultural crops. c. The snails are the base of a food web that supports entire polar ecosystems. d. More than one of these are correct. e. None of these answers.
Describe and discuss the stratigraphy of the Grand Canyon. What does this stratigraphy illustrate? Identify the
formations in the Grand Canyon and discuss their relationships. What will be an ideal response?
True or False: It is possible for geologists to make maps of areas that are prone to future mass movements
Indicate whether this statement is true or false.
Which of the following is the simplest aromatic amine?
A) anilamine B) aniline C) anisole D) benzylamine