When geologists conclude that the Grand Canyon sequence of rocks was formed through hundreds of millions of years of deposition, mountain building, and erosion, they are basing this conclusion on the principle of ________ which states that ________.
A) uniformitarianism; the geologic processes that operated in the past are the same as those that operate today, and they occurred in accordance with the same laws of nature that are operating today
B) catastrophism; most rock formations were created as a result of supernatural processes
C) uniformitarianism; all geologic processes take immense amounts of time to occur and always occur at the same rate
D) catastrophism; a single, large flood was responsible for the creation of the rock sequence
Question 2
Photochemical smog results from the interaction of sunlight with the combustion products of automobiles.
Indicate whether the statement is true or false
Grand Basset Griffon Vendeen
Wheals are formed in reaction to scratch testing and intradermal testing of allergens.
Type of rocks
Ice island formed after breakup
Determining the Ages of Rocks Using Fossils
Human genome sequence explosion