Many climate scientists set the upper limit of carbon dioxide that we should not cross at 560 ppm. In 2011, the atmospheric conc
entration was 390 ppm. Unless dramatic changes are put into place, we will probably surpass the 560 ppm threshold before the end of this century. What predicted effects could this bring?Question 5 options:1) melting of the Greenland Ice Sheet2) glacier and permafrost melt3) ocean acidification4) rapidly accelerated warming5) All of the above are correct.
Carbon dioxide is a greenhouse gas. When its concentration in the atmoshpere rises above normal, it can affect the climate pattern and lead to climate change.
Carbon dioxide prevents outgoing solar radiation from escaping the earth's atmosphere and this warms the earth surface. The more the presence of the gas, the more heating that would result.
Excessive release of carbon dioxide causes a phenomenon known as global warming. Global warming is simply the warming of the globe.
The consequences includes:
Melting of Greenland ice sheets as temperature spikes.
Glaciers and permafrosts in temperate and polar regions will melt.
Ocean acidification due to dissolution of excess carbon dioxide in sea water to form carbonic acid.
There is general increase in surface temperature due to accelerated warming.
Climate change can intensify the water cycle. As air temp increases, more water vapor get into the air. Warmer air holds more water vapor causing more intense rainstorms which can lead to more severe natural disasters like extreme flooding in coastal communities.
I say B, because across continents there have been numerous fossils found with different ages. You can even look up case studies, but the answer might not be B, its just a guess.
