What evidence indicated that Mount St. Helens was going to erupt?
A. Changing shape
B. Gas emissions
C. Earthquakes
D. All of the choices are correct
Answer: D
Environmental & Atmospheric Sciences
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An example of an autotrophic protist is
A) kelp. B) mosses. C) amoebas. D) choanoflagellates.
Environmental & Atmospheric Sciences
The ____________________ are a group of amphibians named for the wrinkling and folding of the chewing surface
of their teeth. Fill in the blank(s) with the appropriate word(s).
Environmental & Atmospheric Sciences
Individual sand grains move along a beach:a
straight in the direction of the longshore current. b. straight offshore. c. in circles up and down the beach face but not horizontally down the beach. d. in a zigzag pattern in the direction of longshore currents. e. only during storms.
Environmental & Atmospheric Sciences
Which of the following rock photographs depicts a felsic igneous rock?
A. 
B. 
C. 
D. 
Environmental & Atmospheric Sciences