Question List for "Earth Science"

  Topics Views Last post
Geography » In an undeformed sequence of sedimentary rocks, each bed is older than the one above and younger ... New
Started by Chloeellawright
81 Feb 28, 2020
Geography » All of geologic time prior to the beginning of the Paleozoic era is termed the ________ eon. New
Started by Collmarie
78 Feb 28, 2020
Geography » Which of the following describes radioactive decay by beta particle emission? New
Started by WWatsford
86 Feb 28, 2020
Geography » A(n) ________ is an erosional unconformity with parallel beds or strata above and below. New
Started by azncindy619
67 Feb 28, 2020
Geography » Oysters are an invertebrate the lives today in brackish waters along coastal zones. When a geologist ... New
Started by Mr. Wonderful
72 Feb 28, 2020
Geography » In the last few years improvements in technology have allowed geologists to date single grains of ... New
Started by nevelica
112 Feb 28, 2020
Geography » About 88 percent of geologic time is represented by the time span called the ________ era. New
Started by ss2343
77 Feb 28, 2020
Geography » The half-life of carbon-14 is about 6000 years. Assume that a sample of charcoal formed by burning ... New
Started by bobbie
110 Feb 28, 2020
Geography » When a radioactive isotope decays by electron capture, the electron ________. New
Started by DelorasTo
107 Feb 28, 2020
Geography » Strata above a(n) ________ were deposited after older strata were deformed. New
Started by crobinson2013
111 Feb 28, 2020