Wood is not a pure substance it is a mixture, because it is composed of compounds such as cellulose, hemicelluloses, and lignin which are made up of elements such as carbon, hydrogen, and oxygen.
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Answer:
Select all that apply. Ballads are stories that rhyme and can be sung. Ballads are meant to be serious. Ballads usually have four-line stanzas
Explanation:
It is an adjective. Hope this helps!
Using the context clues in the sentence. You can accurately determine the meaning of the word onerous. The sentence starts off with stating a 10 - page research project. That would most likely be tedious and hard. So the best answer choice is answer C. Difficult