Answer:
1. Carbon-14 breaks down into nitrogen-14
2. I think it is the first one but I am not completely sure
3. nucleons
4. Strong Nuclear force
The invasions of Germanic groups led to a series of negative changes . Three effects of the Germanic invasions were halt on trade. Transportation of goods became unsafe. Less people were educated, and Europe no longer had one spoken language, unable to be understood by all.
The first and third should be correct. i’m not sure about the second because it’s worded a bit weird, so it’s hard to say what it means. but the first and third options are definitely true.
