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Answer:
Contemporary settlements and farming practices currently threaten the lifestyle of the Hadza. They have lost between 75 percent and 90 percent of their land over the past 50 years. In the Yaeda Valley of Tanzania, women and children set out to collect tubers, a staple food of the Hadza people.
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Answer:
B. Oceania
Explanation:
Oceania is not only the smallest ecological zone in the world, it is also the smallest continent in the world, with most of that continent being made up of Australia.
An ecological zone can also be called an ecozone and is characterized by a geographic area, where borders are composed of natural factors that occur in nature and not by factors created by humans. These natural boundaries, separate the regions due to differences in vegetation, soil, fauna, climate and other factors that occur naturally in the environment.
 
        
             
        
        
        
Answer:
“Nothing in the world is as soft and weak as water, and yet in attacking what is hard and strong, there is nothing that can surpass it. 
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Answer:
Family size might adversely affect the production of child quality within a family. ... Controlling for parental family income, parental age at birth and family level attributes, we find that children from larger families have lower levels of education and that there is in addition a separate negative birth order effect.