Using the same input data, one can always derive the same slope layer from different GIS packages.
Answer the following statement true (T) or false (F)
False
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Which of these lists identifies Superfund sites that pose immediate and severe danger to be cleaned up first?
A. National Priority List B. National Priory List C. National Treasure List D. National Pollution Day List
Which bond would you expect to find in halite (NaCl)?
a. valence electron bonds b. covalent bonds c. metallic bonds d. hybrid bonds e. ionic bonds
Which of the following best describes the role of biological activity in soils development?
A) Broadleaf trees tend to increase the alkalinity of soil, whereas needleleaf trees increase the acidity. B) Earthworms increase soil porosity and contribute to soil movement and organic content. C) Plant roots provide channels for air and water movement in soils. D) All organisms living in, on, and over the soil, influence soil development and characteristics: they can influence the pH, the organic matter, chemical content, and biological content of soils.
Match the sediment size with the appropriate rock. (Answers may be used more than once.)
A) Sand B) Gravel C) Clay D) Silt 1) Breccia 2) Arkose 3) Quartz sandstone 4) Siltstone 5) Claystone