Answer:
The parenthesis is a punctuation mark denoted by an upright curved line. Two parentheses, ( ), are paired to set off text from the rest of a sentence.
C. Thesaurus
Dictionary's are used to find the definitions of words.
Spell check is used to correct incorrect spelling
Wikipedia is used to learn about the meanings and backgrounds of things
Mass- triple beam scale
Volume- graduated cylinder
Density- find the mass and the volume of the object. Divide the mass by the volume.
Hope this helps!