Answer:
it is used as a pathway that vehicles can use to reach their destination efficiently.
Explanation:
Land Vehicles can still move without roads, but roads provide an ideal surface and spacing that accommodate a lot of vehicles to move at the same time without being stucked or collided with one another.
Canals have similar function with this, but it is designed specifically to accommodate water vehicles (boats or ships). We rarely see canals in Untied States. But cities like Venice in Italy implemented canals really well.
I believe the answer is: People diagnosed with hypertension.
Studies shown that consuming sodium would increase the chance of blockage within your blood vessels and tend to lead to high blood pressures. American heart association recommend people to not consume more than 2,300 mg of sodium to avoid this occurence.
Answer: The answer is 84 ways
Explanation: A house with a square floor plan is to have each of its outer four walls fin- ished with brick, stone, stucco, or wood. However, If no two adjacent outer walls are to have the same finish, there are 84 ways the house walls will be constructed. One of such way is brick on the front and back and also stone on the left and right.
I'd go with d. applied research. :-)