By contracting, muscles pull on bones and allow the body to move. Muscles can only contract. They cannot actively extend, though they can move or relax back into the non-contracted neutral position. Therefore, to move bones in opposite directions, pairs of muscles must work in opposition
Answer:
In a census, data about all individual units (e.g. people or households) are collected in the population. In a survey, data are only collected for a sub-part of the population; this part is called a sample. These data are then used to estimate the characteristics of the whole population.
Explanation:
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Consumption, amount of exercise
Answer:
She showed remarkable resilience after her mother's death.
Explanation:
The definition of resilient is someone or something that bounces back into shape or recovers quickly.
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Science has shown that smoking causes cancer. Among these is an example
of how society responded to this information. Which one is this?
B. Forty-seven U.S. states now restrict smoking in public areas.
