Text aids to understand the order of information contained in a book or document. select the best answer from the choices provided t f

Text aids help you understand the order of information contained in a book or document.  This is a true statement.  Text aids are glossaries , timelines, indexes, captions, sidebars, etc.  

 True

this statement is true.

forests are public goods, available for everybody. when usage of such a good becomes interesting for consumers and its usage increases, there can be a risk of overexploitation. it is a non rival good therefore, if one person consumes the good it does not reduce the availability for subsequent consumers.

these caracteristics require the establishment of measures in order to prevent the destruction of a commonly owned space, for example, to restrict the amount of people that have access to the same time.

sumerians were polytheistic, meaning they believed in many different gods. so, the best answer is c.