Answer:
Water towers were needed to move water safely to the 7th floor and above. Although they looks like remnants of the past, they are still very much in use today. Using gravity to help supply the water pressure, water is fed to pipes throughout the building, providing water for everyday use like showers and drinking, as well as extinguishing a fire.
Explanation:
Answer:
i am pretty sure its all above if not then b. but all of the above sounds right
Explanation:
Answer:
experimental
Explanation:
Experimental design: In research methods, the experimental design is referred to as a specific way of designing an experiment by a researcher to get valid as well as objective results. It refers to a collection of various research designs that is responsible for using controlled testing and the manipulation procedure to get knowledge of the causal processes. In most of the experimental design, one or more than one variables are being manipulated to know its effect on the dependent variable.
In the question above, the given statement signifies the use of the experimental design.
Life expectancy is lower. They do not value modern medicine. Standard of living is considered to be poor. Literacy is poor according to the western world.They do not have a developed system of education. Income is low.
