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SciShow
How We Could Prevent a Global Rice Shortage
Rice production needs to see a 50% increase by 2030 to keep up with population growth, but as the climate warms, rice plants will likely become less efficient. Fortunately, scientists are working on a pretty clever potential solution.
Khan Academy
C-4 Photosynthesis
Comparisons between C3 and C4 photosynthesis begin in this video. Next, the mechanism by which CO2 is incorporated into a 4-carbon compound is explained. This is an involved topic which can be very complicated. It should be an excellent...