In simple words what is genetic variability

The chart shows the marginal cost and marginal revenue of producing apple pies. what most likely will happen if the pie maker continues to make additional pies? the marginal costs will continue to rise, increasing the total cost, while the marginal revenue remains the same, decreasing the profit. the marginal costs will continue to fall, decreasing the total cost, while the marginal revenue remains the same, increasing the profit. the marginal costs will continue to rise, increasing the total cost, while the marginal revenue remains the same, increasing the profit. the marginal costs will continue to fall, decreasing the total cost, while the marginal revenue remains the same, decreasing the profit.

When paul realizes no one is coming to the rwandan refugees, he tells them there is only one way for them to get . what is it?

Including place names directions and distances describe a route harriet tubman was likely to have followed from her slave home near bucktown to philadelphia