In the context of science, how would you classify the following statement? Iridium is present in relatively high concentrations in 65 million year old rock layers in several different locations on Earth.
A. hypothesis
B. theory
C. observation
Answer: C
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Soft-bodied organisms are never preserved in the fossil record. Indicate whether the statement is true or false
Compare and contrast sediments deposited from the coastline to the deep marine environment
Give examples of the sedimentary rocks that form by the lithification of these sediments. What will be an ideal response?
What does not happen as ground water moves toward the surface?
A) It cools slightly. B) It solidifies. C) It mixes with shallow water with different chemistry. D) It reacts with near-surface rocks.
A major problem with Wegener's Continental Drift Hypothesis was that he could not find rocks or other geologic features that would have been continuous from one continent to the next if the continents had been together
Indicate whether the statement is true or false