The main thing that this question is asking is which sentence does not have a formal tone. A formal tone for research writing usually means using more professional (instead of casual, everyday) language and free of your own opinions.
This means choice D is inappropriate because it is opinionated. Using "I think" is not formal tone.
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Answer: D) I think one of the most frustrating things about owning a cat is that they don't obey many commands.
Human activities contribute to climate change by causing
changes in Earth’s atmosphere in the amounts of greenhouse gases, aerosols (small particles), and cloudiness. The largest known
contribution comes from the burning of fossil fuels, which releases
carbon dioxide gas to the atmosphere. Greenhouse gases and aerosols affect climate by altering incoming solar radiation and outgoing infrared (thermal) radiation that are part of Earth’s energy
balance.
[D]
Lady Macbeth: Sit down, worthy friends. My husband is often like this, and he has been since he was a child. Please stay seated. This is just a brief fit. In a moment he’ll be well again. If you pay too much attention to him you’ll make him angry, and that will make his convulsions go on longer. Eat your dinner and pay no attention to him.
Answer:
digital learning impact our children skills by not allowing them to do any group work or project work with friends and teachers
Answer: Can you please separate the options and the statements please?
Explanation: