Geological time Study guides, Class notes & Summaries

The Earth's upper mantle is mainly made of peridotite, an ultramafic igneous rock with lots of olivine crystals. Which type of magma can be produced when the upper mantle undergoes decompression melting of the upper mantle peridotite at mid-ocean ridges? - correct answer -Basaltic Seismic studies of the earth have shown that the platnet's interior is made of a few layers with distinct seismic signatures and chemical compositions. The major layers of the planet include (from innermost to the o...

Anthropology Study of the origins and development of people and their societies AAA's Code of Ethics -Do No Harm -Be Open and Honest About your Work -Obtain Informed Consent and Permissions -Weigh Competing Ethical Obligations -Make Results Accessible -Protect and Preserve Records Adaptation refers to the processes by which organisms cope with environmental forces and stresses Archaeology reconstructs, describes, and interprets human behavior and cultural patterns through materi...

Marine Biology, 11e (Castro) Chapter 1 The Science of Marine Biology 1) The Challenger expedition made collections of marine organisms: A) Around the world. B) In the Pacific Ocean only. C) In the Atlantic Ocean only. D) In the Mediterranean Sea only. E) In the North Sea only. Answer: A Section: 01.01 The Science of Marine Biology Topic: The History of Marine Biology Bloom's: 01. Remember 2) The first marine laboratory in the world was established in: A) Russia. B) England. C) France....

Biological Anthropology: Concepts and Connections, 3e (Fuentes) Chapter 1 Introduction to Evolutionary Fact and Theory 1) In 1925, the Scopes "Monkey Trial": A) legally established evolution as a valid scientific theory. B) legally established evolution as a "coexistent theory on the creation of humankind." C) overturned the State of Tennessee's ban on teaching the theory of evolution in public schools. D) upheld the State of Tennessee's ban on teaching the theory of evolution in publi...

What are the 3 different branches of life? - Answer-1) Bacteria 2) Archaea 3) Eukaryotes What are the similarities between bacteria, archaea, and eukaryotes? - Answer-1) Basic Biochemistry 2) Genetic code 3) Membrane ATPase 4) Ribosome What are the similarities between Bacteria and Archaea? - Answer-1) No nucleus or organelles 2) Coupled transcription and translation What are the similarities between Archaea and Eukaryotes? - Answer-Similar machinery for handling information (e.g. ribo...

Chlorosis CORRECT ANSWER An iron deficiency leading to leaves that are yellow with green veins. Caused by overwatering and a lack of aeration (3) geological factors that can negatively impact the development of a site + increase cost of construction CORRECT ANSWER 1.) Shallow bedrock 2.) Seismic fault 3.) Soil with low bearing strength Soil particle classes from LARGEST to SMALLEST CORRECT ANSWER Sand (L) - Silt(M) - Clay (S) How do goals differ from objectives? CORRECT ANSWER - Go...

GEG 111 Exam 3 Which of the following is an exogenic process? - CORRECT ANSWER weathering Which of the following is an endogenic process? - CORRECT ANSWER volcanism Uniformitarianism assumes that - CORRECT ANSWER the same physical processes we see today are a key to understanding the processes that have been operating throughout geologic time Which of the following is CORRECT regarding the geologic time scale? - CORRECT ANSWER The bulk of Earth's history has occurred during th...

Which of the following is an exogenic process? Volcanism Weathering Earthquakes Flows of heat and materials in the mantle - Weathering Which of the following is an endogenic process? Weathering Glacial erosion Volcanism Stream deposition - Volcanism Uniformitarianism assumes thatmountains, plains, and canyons formed by catastrophic events. catastrophic episodes have regularly occurred. Earth is quite young and is shaped by dramatic events. the same physical processes we see today ar...

Catastrophism is the idea that _______. CORRECT ANSWER Earth's landscapes have been shaped by sudden worldwide disasters; Earth's landscapes have been shaped suddenly by unknown forces not in operation today Which of the following best explains the principle of superposition? CORRECT ANSWER All sedimentary deposits accumulate on older rock or sediment layers. What is the primary principle used by geologists to separate periods of geological time, and ultimately construct the geological t...

Acceleration is the measure of the change in what? a. density b. motion c. velocity d. mass e. speed - c. velocity One half second after starting from rest, a freely falling object will have a speed of about a. 20 m/s b. 10 m/s c. 5 m/s d. 2.5 m/s e. None of the above - c. 5 m/s The slope of a velocity vs. time graph tells you a. position b. maximum velocity c. average velocity d. acceleration e. maximum position - d. acceleration Which of the following is a private research la...