In the diagram below, the yellow area represents
A. primary silicate minerals.
B. secondary silicate minerals.
Answer: B
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Adiabatic heating and cooling of air does not involve the input or output of external heat to, or from, an air parcel
Indicate whether the statement is true or false
During the monsoon season, rainfall is enhanced by weak, westward-moving low-pressure areas called ____________________, whose formation is aided by an upper-level jet stream
Fill in the blank with correct word.
Fossils are common because ____
A)bones are so easily preserved B)there are so many environments that are suitable for fossilization C)they are obvious once they are unearthed D)so many billions of organisms lived during the past E)fossilization takes place quickly, before decomposition progresses too far
Which of the following best matches the description?Measure of toxicity or the dosage that will kill 50% of a tested population.
A. hazardous wastes B. chronic toxicity C. waste minimization D. ignitability E. LD50 F. synergism G. National Priority List H. RCRA I. threshold levels J. acute toxicity K. CERCLA L. Superfund M. toxicity N. reactivity O. corrosiveness