Envr 1401 exam 4 notes

docx

School

University of Texas, Dallas *

*We aren’t endorsed by this school

Course

1402

Subject

Geography

Date

Oct 30, 2023

Type

docx

Pages

Uploaded by UltraFrog3658

Chapter 15 quiz 1. An underground porous layer of rock, sand, or gravel that is capable of holding water Ans: aquifer 2. Any obstruction placed in the channel of a river, creek or stream designed to block or control the flow of water Ans: Dam 3. The largest aquifer in the United States, it supports a lot of the agriculture throughout the Great Plains region. Ans: Ogallala-High Plains Aquifer 4. A measure of the density of suspended solid particles (shows up as a lack of water clarity) in a water supply Ans: Turbidity 5. Only about 2.5% of all the water on our planet is fresh water, and ________. Ans: most of this is in polar ice caps, glaciers, and underground aquifers and is not easily accessed for human use Most of the water is in shape of ice 6. One-fifth (20%) of Earth's total freshwater supply is in ________. Ans: groundwater 7. Which of the following will contribute most to water conservation? Ans: Watering lawns at night, using low-flow faucets, landscaping with native plants 8. Which of the following is one of the major pollutants of groundwater? Ans: fertilizers from agricultural fields

9. A watershed is ________ Ans: the area of land from which rainfall drains into rivers or lakes 10. A key characteristic of aquatic dead zones is ________. Ans: Low concentration of oxygen Chapter 16 quiz 1. Ecosystem that lies along the shoreline between the farthest reach of the highest tides and the lowest reach of the lowest tide Ans: littoral zone 2. Tree-dominated marine ecosystem in tropical and subtropical latitudes that consists of gently sloping sandy and silty coastal areas Ans: mangrove forest 3. Fishing technique most often used for harvesting organism that live in the benthic zone. It is one of the most damaging fishing practices because it often destroys habitat. Ans: bottom trawling 4. Area where a river flows into the ocean, mixing fresh water and saltwater Ans: Estuary 5. Zooxanthellae are: Ans: mutualistic, symbiotic algae, provide coral energy through photosynthesis 6. Which of the following is true of eutrophication in marine systems? Ans: it can lead to algal blooms and red tides that kill fish

7. The exceptionally strong warming of the eastern Pacific is referred to as ________. Ans: El Nino 8. Currently, the greatest ecological crisis facing marine food webs is ________. Ans: overharvesting 9. Bycatch---------- Ans: Accidental capture of animals Chapter 17 quiz 1, Residence time is the Ans length of time or averge time 2. Bacteria and fungal spores are potential Ans causes of "sick building syndrome" 3,Photochemical smog differs from industrial smog in that it _ Ans is formed only in the presence of sunlight 4 Ozone (tropospheric) is formed by a chemical reaction between nitrogen oxides and VOC's in the presence of sunlight. This makes ozone which type of air pollutant? Ans a secondary pollutant 5 Weather patterns are largely determined in the ________ Ans troposphere 6 reversal of normal vertical temperature distribution in the lower region of the atmosphere

Your preview ends here

Eager to read complete document? Join bartleby learn and gain access to the full version

Access to all documents
Unlimited textbook solutions
24/7 expert homework help

Ans thermal inversion 7 What gas comprises the largest portion of Earth's atmosphere? Ans nitrogen 8 A system containing cool air that spreads outward as it descends Ans high-pressure system 9 The layer of Earth's atmosphere in which humans live and breathe Ans Troposphere