You are given an aqueous solution that contains a Co 2+ salt ...

You are given an aqueous solution that contains a Co 2+ salt ...

12.01 The most common Precambrian fossils are ________, layered mounds of calcium carbonate. A. B. C. D. E. Prokaryotes Chert Trilobites Stromatolites None of these 2012 Pearson Education, Inc.

12.01 The most common Precambrian fossils are ________, layered mounds of calcium carbonate. A. B. C. D. E. Prokaryotes Chert Trilobites Stromatolites None of these

2012 Pearson Education, Inc. 12.02 During the early Paleozoic era, South America, Africa, Australia, Antarctica, India, and perhaps China comprised the vast southern continent of _________. A. B. C. D. Laurasia Gondwanaland Pangaea Antindia

2012 Pearson Education, Inc. 12.02 During the early Paleozoic era, South America, Africa, Australia, Antarctica, India, and perhaps China comprised the vast southern continent of _________. A. B. C. D. Laurasia Gondwanaland Pangaea Antindia

2012 Pearson Education, Inc. 12.04 The ________ period was a time of major extinctions, including 75 percent of amphibian families. A. B. C. D. Jurassic Mississippian Permian Devonian 2012 Pearson Education, Inc.

12.04 The ________ period was a time of major extinctions, including 75 percent of amphibian families. A. B. C. D. Jurassic Mississippian Permian Devonian 2012 Pearson Education, Inc.

12.05 Due to a virtual absence of land plants and certain animals, fossil fuels are notably absent in ________ rocks. A. B. C. D. Precambrian Paleozoic Mesozoic Paleozoic and Mesozoic 2012 Pearson Education, Inc. 12.05 Due to a virtual absence of land plants and certain animals,

fossil fuels are notably absent in ________ rocks. A. B. C. D. Precambrian Paleozoic Mesozoic Paleozoic and Mesozoic 2012 Pearson Education, Inc. 12.06 As they formed, due to their high temperatures and comparatively weak gravitational field, which planets were

unable to retain appreciable amounts of hydrogen, helium, and ammonia? A. B. C. D. Jupiter and Neptune Mercury and Earth Uranus and Jupiter Neptune and Uranus 2012 Pearson Education, Inc. 12.06 As they formed, due to their high temperatures and

comparatively weak gravitational field, which planets were unable to retain appreciable amounts of hydrogen, helium, and ammonia? A. B. C. D. Jupiter and Neptune Mercury and Earth Uranus and Jupiter Neptune and Uranus 2012 Pearson Education, Inc.

12.07 One group of reptiles, exemplified by the fossil Archaeopteryx, led to the evolution of ________. A. B. C. D. dinosaurs mammals cephalopods birds 2012 Pearson Education, Inc. 12.07 One group of reptiles, exemplified by the fossil

Archaeopteryx, led to the evolution of ________. A. B. C. D. dinosaurs mammals cephalopods birds 2012 Pearson Education, Inc. 12.08 The cells of these primitive organisms lack organized nuclei and they reproduced asexually.

A. B. C. D. Trilobites Eukaryotes Prokaryotes Brachiopods 2012 Pearson Education, Inc. 12.08 The cells of these primitive organisms lack organized nuclei and they reproduced asexually. A.

B. C. D. Trilobites Eukaryotes Prokaryotes Brachiopods 2012 Pearson Education, Inc. 12.09 Early Earths oceans and atmosphere are thought to be formed by a process called _______. A. B.

C. D. outgassing outwatering photosynthesis hydrolysis 2012 Pearson Education, Inc. 12.09 Early Earths oceans and atmosphere are thought to be formed by a process called _______. A. B. C.

D. outgassing outwatering photosynthesis hydrolysis 2012 Pearson Education, Inc. 12.10 Banded Iron Formations or BIFS were originally deposited _______. A. B. C. D.

in iron depleted sediments in an oxygen rich atmosphere during the Cambrian during the Precambrian 2012 Pearson Education, Inc. 12.10 Banded Iron Formations or BIFS were originally deposited _______. A. B. C. D.

in iron depleted sediments in an oxygen rich atmosphere during the Cambrian during the Precambrian 2012 Pearson Education, Inc. 12.11 Oxygen in the atmosphere _______. A. is a product of an oxidation reduction reaction B. came about as a result of photosynthesis on land about 3.5 billion years ago C. came about as a result of photosynthesis in the oceans about 3.5 billion years ago D. came about as a result of the Paleozoic Era

2012 Pearson Education, Inc. 12.11 Oxygen in the atmosphere _______. A. is a product of an oxidation reduction reaction B. came about as a result of photosynthesis on land about 3.5 billion years ago C. came about as a result of photosynthesis in the oceans about 3.5 billion years ago D. came about as a result of the Paleozoic Era 2012 Pearson Education, Inc. 12.12 The oceans _______.

A. B. C. D. are continuously shrinking over time are about the same as they were 4 billion years ago are a new feature in Earths history were present on proto earth 2012 Pearson Education, Inc. 12.12 The oceans _______.

A. B. C. D. are continuously shrinking over time are about the same as they were 4 billion years ago are a new feature in Earths history were present on proto earth 2012 Pearson Education, Inc. 12.13 Pangaea was present _______. A.

B. C. D. in the Triassic about 250 Ma in the Silurian about 425 Ma in the Cambrian about 500 Ma in the Mississippian about 340 Ma 2012 Pearson Education, Inc. 12.13 Pangaea was present _______. A. B.

C. D. in the Triassic about 250 Ma in the Silurian about 425 Ma in the Cambrian about 500 Ma in the Mississippian about 340 Ma 2012 Pearson Education, Inc.

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