nguyên tử khối trung bình của Bo là 10,81. Bo gồm 2 đồng vị 10B và 11B. Hỏi có bao nhiêu nguyên tử của đồng vị 11B có trong 12,362 gam axit boric H3BO3 ? Biết nguyên tử khối trung bình của H là 1, của O là 16

Large asteroid and comet impacts. because they can have a huge impact on the environment, such as a loss of land, and crust on the earth with the big holes they produce. on the other hand, volcanic eruptions can also cause change within the environment by producing land, but im actually not quite sure which one would be a better answer, hopefully you read this and didnt just flat out choose the first sentence i have spoken! your welcome~

13 protons and 13 electrons