Actually it should look like this (cars, airplanes, trains, etc.). But if the sentence ends with an abbreviation, the single period will serve to end the sentence, as in cars, airplanes, trains, etc. You do not use double periods. You can, however, use a question mark or exclamation point after a period that ends a sentence. Were you talking about cars, airplanes, trains, etc.? If this looks unusual, it is because abbreviations, such as etc., are generally avoided at the ends of sentences.
the tarantula periodically shreds its skin
Yes you do.
I am the caitiff that do hold him to't;" Shakespeare. All's well that ends well.
The nutrients of the plant went from it to me over a little period of time.
Use a period inside a parenthetical when the full sentence inside the parentheses ends.
No, you do not need to include an additional punctuation mark at the end of a sentence if the last word already ends in a period.
Imperative Sentences expreses command or request. It begins with a capital letter and ends with a period.
A declarative sentence typically ends with a period (.), which indicates a statement or assertion.
Actually it should look like this (cars, airplanes, trains, etc.). But if the sentence ends with an abbreviation, the single period will serve to end the sentence, as in cars, airplanes, trains, etc. You do not use double periods. You can, however, use a question mark or exclamation point after a period that ends a sentence. Were you talking about cars, airplanes, trains, etc.? If this looks unusual, it is because abbreviations, such as etc., are generally avoided at the ends of sentences.
The isthmus of Panama is the narrowest point between North and South America. The two mountains were almost separate islands except for a narrow sandy isthmus which connected them.
Use a comma when the person is speaking and the sentence continues (dialogue tag follows), like "I am leaving," she said. Use a period when the person is speaking and the sentence ends, like "I am leaving." She walked out.
No, when using "OD" at the end of a sentence, you only need one period as the abbreviation already ends with a period. So it would be "O.D." with one period.
No, you only need to use one period at the end of a sentence. If the sentence ends within parentheses, you do not need an additional period outside the parentheses.
This sentence ends with the letter z.
Yes, you should always punctuate a sentence that ends with a citation in a works cited. Use the appropriate punctuation mark (usually a period) to end the sentence before the citation.
Yes, if the ellipsis falls at the end of a sentence, you should use a period after it to indicate the end of the sentence.