Precambrian era - Study guides, Class notes & Summaries

APSC 151 Midterm Exam Study Guide | 100% Correct | Verified | 2024 Version Compared to the age of the Universe of about 14 billion years, the currently accepted age of Earth is about ________ years as determined by using radioactivity for dating rocks and minerals. A) 4.6 thousand B) 4.6 billion C) 5.4 million D) 13.7 billion - B The ________ division of the geologic time scale is an era of the Phanerozoic Eon. A) Paleocene B) Paleozoic C) Permian D) Proterozoic - B The Eart...

geology - correct answer the study of ancient seas, rivers, and other environments How are the two sides of North America different from each other? - correct answer The western part appears more complex because it has many mountains and valleys The mountains in the eastern US are mor subdued and the east coast is surrounded by a broad shelf that continues out past the Atlantic The center has no l...

Week 8 Final Exam (timed and single access) Overall Grade (highest attempt): 96 / 100 - 96 % Question 1 2/2 points Pyroclastic flows are more associated with __________. ocean hot spots stratovolcanoes shield volcanoes flood basalts cinder cones Question 2 2/2 points In the rock cycle, what processes directly link igneous rocks to metamorphic rocks? compaction and cementation melting and crystallization deposition and lithification recrystallization by high heat and pressure weathering and erosi...

When going from a magnitude 5 to a magnitude 6 earthquake on the Richter magnitude scale, what is the increase in seismic wave amplitude?  A. 100  B. 2  C. 0.5  D. 10  E. 1 Week 8 Final Exa Question 2 of 50 2.0/ 2.0 Points Which of the following surficial processes results in the most poorly sorted sediments?  A. wind  B. rivers  C. deep marine  D. glaciers  E. ocean waves Question 3 of 50 2.0/ 2.0 Points Applying the principles of relat...

ASVAB Practice Test B 527 general science 60 Questions with Verified Answers 1. those wishing to reduce the "bad" cholesterol levels in their blood should avoid a-polyunsaturated fats b-carbohydrates c-monounsaturated fats d- saturated fats - CORRECT ANSWER d-saturated fats 2. water at sea level freezes at what temperature? a- 373 K b-0 F c-100 C d-32 F - CORRECT ANSWER d-32 F which of the following subatomic particles has the largest mass? a-proton b-electron c-positron ...

***Chapter 1*** - correct answer The Abyss of Time Precambrian Era - correct answer First major section of geological time. (4.5 billion years - 590 million years ago) Outcrop - correct answer Part of a rock formation that appears above the surface of the surrounding land. Core - correct answer Innermo...

APSC 151 Final Exam Questions With Verified Answers Complex multicellular organisms were not present in which Era A) Neogene B) Paleo-Proterozoic C) Mesozoic D) Precambrian - answerNeogene For a billion years or more, oxygen being produced by cyanobacteria was completely consumed in the process of A) The creation of chlorophyll B) The creation of phospholipid membranes on clay surfaces C) The precipitation of iron from the ocean waters D) Coal formation - answerThe precipitat...

Energy stored in stretched springs, rubber bands, etc. - elastic potential energy Energy carried by electromagnetic waves. Light energy. - electromagnetic energy Energy from the motion of atoms and molecules. Depends on mass and temperature - thermal energy Term for the fact that energy cannot be created/destroyed, only transferred/converted - Law of conservation of energy A repetitive motion that occurs around a center point or equilibrium - oscillation A position or state to which an os...

ERSC 181 Week 8 Final Exam Questions and Answers Latest Updated 2023. Week 8 Final Exam (timed and single access) Return to Assessment List Part 1 of 4 - 48.0/ 52.0 Points Question 1 of 50 2.0/ 2.0 Points A coarse-grained (phaneritic texture) igneous rock formed _________________.  A. due to erosion, frost wedging, and weathering  B. on the surface of the earth in an explosive eruption  C. on the surface of the earth in a quiet (effusive) eruption  D. by immense direct ...

ERSC 181 Week 8 Final Exam Questions and Answers Latest Updated 2023. Week 8 Final Exam (timed and single access) Return to Assessment List Part 1 of 4 - 48.0/ 52.0 Points Question 1 of 50 2.0/ 2.0 Points A coarse-grained (phaneritic texture) igneous rock formed _________________.  A. due to erosion, frost wedging, and weathering  B. on the surface of the earth in an explosive eruption  C. on the surface of the earth in a quiet (effusive) eruption  D. by immense direct ...