Answer:
Evolution of management is the concept that was developed in the early days of men when the realization was made that we must live in groups for the survival.
Explanation:
- Since men saw and realized that they need to live in groups, mighty men in the past were able to organize the masses, share them into various groups. The sharing was done accord to the masses' strength, mental capacities and intelligence.
- The evolution of management section is mainly divided into four sections:
- Early Management Thought
- The Scientific Management Era
- The Social Person Era
- The Modern Era
Water pressure and temperature varies at different depths of the ocean.
Microorganisms such as bacteria can be removed by disinfection. Certauns substances called biocides are addes to water to make it pure. Purification can also be done by UV-light .
