In an agricultural region,
A. herbicides and pesticides are retained in the soil and do not present a water-pollution threat.
B. spring planting and application of fertilizers and herbicides can result in concentration spikes of these chemicals in rivers, due to spring rains.
C. crops generally use the fertilizer applied to enhance their growth very efficiently.
D. the use of filter strips in riparian zones (areas adjacent to streams) has not been demonstrated to be effective in reducing nutrient loading of streams.
Answer: B
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Choose the option that correctly orders the minerals from most easily weathered to most weather resistant
A) quartz, halite, biotite B) gypsum, pyroxene, feldspar C) olivine, calcite, quartz D) amphibole, feldspar, quartz
On a global scale, generalization and compromise are necessary in order to distinguish between climate types and regions in a classification system
Indicate whether the statement is true or false
An important strategy in choosing the correct map projection should always be to
A) decide whether it is more important to show area of features or shape of features accurately. B) minimize distortion in the part of the map that is most important for the application at hand. C) determine whether distortion needs to be minimized at a single point on the map or along a linear area of the map. D) All of these are important strategies in choosing the correct map projection.
Which one of the following is most intense?
A) tropical depression B) tropical water C) tropical disturbance D) tropical storm