The biodiversity of cultivated crops is currently under threat from industrial farming and climate change. The extinction of important crop could cause mass starvation. How could humans best cooperate using a seed bank to prevent extinction of an important crop?
A. Farmers could plant all the seeds until they run out.
B. Governments could trade seeds in exchange for goods.
C. Scientists could study threatened varieties to find ways to replace them.
D. Grocery stores could sell the seeds as food,