Scientific investigations on Sudbury's soil revealed the decrease
in soil pH was correlated with increased copper and nickel levels.
They can grow tall, 60 cm plus
Answer:I think the first one
Explanation:
False, because
<span>According to 2n^2 rule </span>
<span>n=2 contains 8 electrons </span>
<span>n=3 contains 18 electrons </span>
<span>add electrons to have a stable octet in its outer energy level </span>
