Translation: Некоторые виды человеческой деятельности вредны для окружающей среды.
The exercise typically falls under , Section 4, which focuses on ecological problems and "Keeping the Earth clean". Solution and Translation
: Use words from the provided box (if any) or common environmental vocabulary. For instance, use "dangerous" for threats and "important" for duties. Check Grammar : Ensure the sentence follows the structure " " (e.g., "It is necessary to..."). gdz po uchebniku enjoy english 8 klass ex 21 p.57 2017 god
: Read the entire sentence to understand whether it describes a positive action (e.g., protecting nature) or a negative effect (e.g., pollution).
Translation: Необходимо выбрасывать мусор в мусорное ведро. For instance, use "dangerous" for threats and "important"
Translation: Важно защищать нашу природу.
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The task usually asks you to complete sentences with words like harmful , dangerous , important , or necessary based on the context of environmental protection.