Precambrian era - Study guides, Class notes & Summaries

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...

Haldane-Oparin hypothesis - ANSWER-Life arose spontaneously from methane, ammonia, water, and energy sources. Miller-Urey experiment - ANSWER-Created a chemical experiment that simulated the conditions thought at the time to be present on the early Earth, and tested the chemical origin of life under those conditions. Tested Haldane-Oparin hypothesis, thinking that methane and ammonia were likely absent in early atmosphere- more likely CO,CO2,N2, and H2O. Results yielded in organic molecules. ...

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...

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...

***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...

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 ...

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...

APSC 151 – Midterm Exam Questions With Verified Answers 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 - answerB The ________ division of the geologic time scale is an era of the Phanerozoic Eon. A) Paleocene B) Paleozoic C) Permian D) Proterozoic - answerB The Earth's core wa...

APSC 151 FINAL Exam Questions With Verified Answers 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 - answerB - 4.6 billion The ________ division of the geologic time scale is an era of the Phanerozoic Eon. A) Paleocene B) Paleozoic C) Permian D) Proterozoic - answerB - Paleozoic ...