Peat is the least carbon-rich substance burned for fuel. The coal with the richest carbon content is:

A. lignite.
B. sub-bituminous coal.
C. bituminous coal.
D. anthracite.


Answer: anthracite.

Psychology

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Describe development in middle childhood of only children in the United States and China

What will be an ideal response?

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An adult diagnosed with antisocial personality disorder is most likely to have met the criteria for ________ as a child.

A. autism B. conduct disorder C. a learning disability D. attention-deficit/hyperactivity disorder

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One of the goals for conducting the research is to identify what you want to achieve as a result. Which one below describes wanting to discover something previously unknown?

A. finding out which personality traits are supposed to be the most common in successful, stable, and happy interethnic marriages B. explaining that couples in the most successful interethnic marriages resolve a minor problem through dialogue C. explaining the situations that lead to marital stability D. predict that those in maritally successful and stable interethnic marriages practice tolerance of their partner

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