Examlex
Polyethylene plastic consists of long chains of carbon atoms, each of which is also bonded to hydrogens as shown below: Water forms beads when placed on a polyethylene surface.Why?
Childhood
The period in a person's life from birth to adolescence, characterized by growth, development, and learning.
Social Role
A set of expectations for behavior and actions that are deemed appropriate for individuals based on their status or position within society.
Life Expectancy
The average period that an individual is expected to live, based on statistical analysis of age-specific death rates.
Late Twentieth Century
A period ranging from the 1970s to the 1990s, characterized by significant technological, political, and cultural changes.
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