Which section of ocean floor is near the coastlines of all continents?
neritic zones
open ocean
shallow ocean
intertidal zone

D. intertidal zone

Explanation:

Intertidal zone is the shoreline of the continent and it otherwise known as low tide zone and it exposes to the atmosphere when low tides are occurred in this region otherwise it filled with ocean water due to High tides. It is the broadest zone of the ocean, degree of exposure determines the plants and animals composition. Organisms lived in these regions face the high challenging livelihood because frequent change in temperature and salinity of the area.  

ITS SHALLOW OCEAN ON EDGE TRUST ME!!

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.