Answer:
The atmospheric carbon dioxide concentration has risen from about 270 parts per million (ppm) before 1700 to about 355 ppm today. Climate changes, including a mean global surface temperature rise of between 2.8 and 5.2°C, have been predicted by five independent general circulation models (GCMs) for a doubling of the carbon dioxide concentration. The objectives of this paper are to examine plant responses to rising carbon dioxide levels and climatic changes and to interpret the consequences of these changes on crop water use and water resources for the United States.
Explanation:
Answer:
A
Explanation:
the northern hemisphere is the opposite from the southern hemisphere
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I believe the correct answer is B. Some plants might die due to a shortage of important nutrients.
I hope this helped.
Cody
A for the first one and D for the second
In the case of fish if you polute plastic into the ocean the water will break up the plastic and the fish will confuse the little particles of plastic as food and will try to eat it and can die