Which landforms are unable to be found on the ocean floor?

This excerpt from article il of the u.s. constitution describes which of thepresident's major functions?

The united states economy is one in which producers are generally free to produce what they want and consumers are free to purchase what they desire, so long as no laws are broken. at the same time, however, the government does regulate some aspects of the economy. the u.s. can best be described as which of the following a mixed economy b liberated economy c command economy d market economy

Rank the following from most to least devasting: ordovician,permaian,cretaceous, pleistocene