The concept of multi-directional development suggests that when change is gradual, as when water carves stone to form a canyon, it is an example of .

continuity

Explanation:

The concept of multi-directional development is psychology suggest that development goes through in continues span and throughout life of human being whether it is biological, cognitive or emotionally.  continuity refer that new knowledge , skill and information will accumulated with previous one  and this process with continues in smooth and specific pattern. Its also means that development occur entire life of human in continues process.

~kinetic ~potential

explanation:

kinetic and potential energies would be types of mechanical energies.

the federal government of the united states was established by the constitution. us is a presidential republic. the president is head of state, head of government and of a two party legislative and electoral system. the supreme court balances the powers of the federal and the state government. yhe executive branch is headed by the oresident. there are two chambers of congress, the senate and the house of representatives. judicial power is exercised by the judicial branch (or judiciary), comprised of the supreme court and lower federal courts. the judiciary's function is to interpret the   constitution as well as the federal laws and regulations.