To produce consumable fresh water from salt water through desalination.To utilize the water cycle in the desalination process
You realy need to put the anwser optns cause its inpssible to anwser
Answer: In Medieval Europe, knights pledged loyalty to vassals, who in turn pledged theirs to powerful lords, and serfs labored in the fields.
Explanation:
A rigid hierarchy refers to one where people who are born into a certain position in life, find it quite hard to move from it or rather one where there are different social classes and people had to be classified in one class for the system to work.
The system during medieval times was much like this. Social classes existed that determined a person's worth in society such as the knights, vassals, Lords and Royals. There was also the serfs who were considered the lowest in the hierarchy.
The Neolithic revolution was when agriculture and herding replaced migratory hunting and gathering as the dominant lifestyle of human societies. About 12,000 years ago, a …highly significant change in human culture occurred when humans in the Middle East began to develop animal husbandry and agriculture.
www.answers.com/Q/What_new_techniques_did_people_learn_during_the_Neolithic_Revolution
Answer:
Genes carry the information that determines your traits (say: trates), which are features or characteristics that are passed on to you — or inherited — from your parents. Each cell in the human body contains about 25,000 to 35,000 genes.
Explanation:
