A linking verb doesn’t describe a direct action taken by subject, but links the subject to a predicate adjective or predicate noun. Therefore, your answer would be A.) The milk TURNED sour after sitting out on the counter overnight.
Answer: A. Tigers play a crucial role in the Indian ecosystem, and their extinction would have devastating and wide-ranging consequences in that country.
Explanation: The purpose of the thesis statement is to summarize the main point of the essay. It states that tigers are important to the Indian ecosystem, and the thesis can be built off of why tigers play such an important role. The other options are incomplete or not strong enough to reiterate an essay.
Just a hint that<span> </span>round characters<span> are complex and undergo development, sometimes sufficiently to surprise the reader.</span>
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