Choose the true statement about the grand canyon.
select one:
a. none of its fossils is older than the dinosaurs.
b. the grand canyon’s layers get older from bottom to top.
c. some fossils are found in the uppermost layers.
d. near the top there are fossils of ancient dogs and cats.

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.