A batholith is a large mass of igneous rock consisting of multiple ________
Fill in the blank(s) with correct word
plutons
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Each of the major continents at the beginning of the Paleozoic can be divided into two major
components:a. a trough and a range b. a craton and a mobile belt c. an immobile belt and a rift margin d. a craton and an ocean basin e. none of the above
What is a frustule?
a. The by-product of photosynthesis in diatoms b. The rigid cell wall of a diatom c. A microscopic phage that attacks diatoms d. A small appendage on a cyanobacteria
Oxygen isotope analysis measures the:
A) total oxygen present. B) rate of oxygen depletion. C) amount of radioactivity due to oxygen. D) proportions of 2 different types of oxygen atoms. E) oxygen content of sediment.
A groundwater divide is most likely to occur:
a. beneath a major stream b. beneath a lake c. about halfway between the crest of a hill and the base d. near the crest of a hill