oxygen
Biology, 16.12.2020 01:00 sman091305
11. Which of the following is most damaging to the ozone layer?
carbon dioxide
oxygen
chlorofluorocarbons
methane
12. Which gas is emitted through the burning of fossil fuels?
carbon dioxide
oxygen
chlorofluorocarbons
nitrous oxide
13. Which of the following has the greatest effect on climate?
greenhouse effect
ozone depletion
photosynthesis
smog
14. Which of the following is a problem caused by acid rain?
respiratory problems in humans
causes depletion of the ozone layer
makes lakes and streams unsuitable aquatic life
is a factor in global warming
15. What kinds of anthropogenic activities produce acid rain?
coal and oil power plants and automobiles
the use of refrigerants and aerosols
burning of fossil and plant fuels that produce carbon dioxide
agricultural fertilizers and methane from animal wastes
16. What is the main cause of the damage to trees on Grandfather Mountain?
methane gas from agriculture pollution
sulfur dioxide from coal fired plants in Tennessee
carbon dioxide from automobiles
nitrous oxides from automobiles
17. How is ozone different from oxygen?
Ozone is toxic, corrosive and not breathable.
Ozone is easier to breathe than normal oxygen.
Ozone only exists in the upper atmosphere.
Ozone is the same as oxygen .
18. How is stratospheric ozone created?
Ozone created from NOx and VOC gases rise from low altitudes into the stratosphere and form the ozone layer.
Radiant energy from the sun breaks apart oxygen molecules freeing single oxygen atoms that recombine into ozone.
Ozone is formed in when sulfur and nitrogen oxides combine with water in the atmosphere.
When ultraviolet radiation passes through a depleted ozone layer it acts on oxygen at ground levels creating ozone.
Answers: 1
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Explain why ecosystem diversity results in species diversity in a healthy biosphere
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Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass
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Biology, 22.06.2019 18:00
The images show two species of tree frogs in a particular region. the gray tree frogs are adapted to the trees of the woodlands, while the green tree frogs can survive in woodlands or grasslands. the gray frog was abundant in the woodlands. because of climatic changes, most of the trees in the region died, and the woodlands changed to grasslands. in such a case, the . the gray tree frog is closely related to the green tree frog genetically, but they have different mating calls. this suggests that speciation occurred because of .
Answers: 1
11. Which of the following is most damaging to the ozone layer?
carbon dioxide
oxygen
oxygen
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