D: two of these make sense there going with all will solidify the answer as a whole
Source: Trust me Bro
1.opinion
2.fact
3.opinion
4.fact
5.fact
You can usually tell if something is an opinion if it has adjectives associated with it, expression how somebody feels about something, like “best, worst, most____, least____.” Something is a fact if it can be proven. For example, because number 4. says “from the fossils record,” if can be proven that the dinosaurs legs are the strongest by checking the record, making it a fact and not an opinion. Hope this helps
Answer:
In families where there is a high level of conflict and animosity between parents, children are at a greater risk of developing emotional, social and behavioural problems, as well as difficulties with concentration and educational achievement.
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Your first option is correct.
EXPLANATION:
your first option is correct because this is a grammar question. When you use "an" you're using it in front of a vowel. The only sentence starting with a vowel is the first one. The others don't sound right when you use "an" in front of it instead of "a".
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