Conical marine organisms that lived during the Cambrian and were the earliest builders of reeflike
structures:a.
protists d. sponges (porifera)
b. cyanobacteria e. archaeocyathids
c. brachipods
E
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Where are most tropical rainforests located?
A) near the north pole B) near the south pole C) near the equator D) in the middle latitudes E) Their location is random.
Which are important ways that magma can raise through the crust?
A. through fractures that can form dikes B. tectonic forces can help open pathways C. pieces of the wall rocks that break off and provide space D. magma is hotter and less dense than its surrounding E. All of these choices are correct.
Rock salt and rock gypsum are common examples of a group of chemical sedimentary rocks called ________
Fill in the blank(s) with correct word
What concepts can be explained using this diagram?
A. how precipitation ends up in rivers or groundwater B. the movement of water between the oceans and the land C. how weathering causes the seas to become saltier D. All of these choices are correct.