Answer:
I A hole
Explanation:
I must be in a museum, because you truly are a work of art
Answer:
Approximately 10,5
Explanation:
The question is not really very specific, because it would need the percentages of those isotopes in the nature. As they are not shown, it should be the median of those two numbers.
atomic weight ≈ = 10,5
If you check a periodic table, you'll see it's actually 10,8, but that's because of the thing I told you at first (percentages missing).
Hope I could help.
Answer:
B. People live longer than they used to
Explanation:
None of the other answers are correct.
I’m not too sure I hope someone answers for you