________ is an organic rock formed from the compression and alteration of plant remains such as leaves, twigs, and tree trunks.
A. Coal
B. Recycled
C. Clastic
D. Bioclastics
E. Crystalline
Answer: A
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The valley of the ________ River was the center of a Vietnamese kingdom by the first century B.C.
A. Red B. Mekong C. Chao Phraya D. Irrawaddy
Almost all geological activity, such as volcanic and earthquake activity, takes place at ________
a. convergent plate boundaries b. divergent plate boundaries c. transform plate boundaries d. all of these choices
What era, period, and epoch do we currently exist in?
A) Precambrian, Jurassic, Eocene B) Mesozoic, Permian, Pleistocene C) Paleozoic, Paleogene, Paleocene D) Cenozoic, Quaternary, Holocene
What is the primary problem with the use of battery-powered cars?
A. Reduced gas mileage B. Storing enough electricity C. Lack of a hydrogen fuel source D. Excessive carbon dioxide production