A scientist performed an experiment using a wax candle and a large airtight glass container filled with oxygen. Nothing could get into or out of the glass container during the experiment. The scientist measured the mass of the unlit candle and the container to be 956 grams at the beginning of the experiment. Then, she lit the candle. After a short time, the candle stopped burning, and it appeared slightly smaller. What will the mass of the candle and the container be now that the experiment is over?
A.
The mass will be exactly 956 grams because mass is always conserved in closed systems.
B.
The mass will be less than 956 grams because smoke weighs less than wax.
C.
The mass will be less than 956 grams because burning the candle turns it into energy.
D.
The mass will be more than 956 grams because burning the candle creates smoke.

i am almost certain that man symbolizes communism in this passage.

hope this

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your blank of voice often reflects your feelings emotion and thoughts

sentences vary by structure as well as by function. there are compound, complex, and compound-complex sentences.

simple sentence

i like to read.

a simple sentence has one independent clause.

compound sentence

i like to read, and i also like to write.

a compound sentence includes more than one independent clause, connected by a coordinating conjunction (and, but, for, nor, or, so, or yet).

complex sentence

i prefer to read books that are bestsellers.

a complex sentence includes one independent clause and one or more dependent clauses. (a dependent clause is one that cannot stand alone.) types of dependent clauses include relative clauses (i kicked the boy who pinched me), adverb clauses (i am going home now because i have a curfew), and noun clauses (i don't know what to do next).

compound-complex sentence

although i prefer to read current bestsellers, i do like to read old agatha christie mysteries, and i also like some 20th-century science fiction.

compound-complex sentences take a bunch of clauses (multiple independent clauses, and one or more dependent clauses) and toss them together like a salad. although these sentences take practice to write in a grammatically correct fashion, they can hold a tremendous amount of meaning, and are common in academic writing.