Answer:
<em>Ecosystem is a community of living organisms in conjunction with the nonliving components of their environment (things like air, water and mineral soil), interacting as a system. These biotic and abiotic components are regarded as linked together through nutrient cycles and energy flows.</em>
<span>the electron configuration ... Write the ground-state electron configuration of alead atom. 1. [Xe] 4f 145d...</span>
Answer: It would be Metalloid
Explanation: I took a test about this and I remember that it was Metalloid.
P.S. Can you tell me if I was right or wrong. Thx
Well, I know one. A positive: decreasing pollution because most people are in quarantine and not outside.
Answer:
I think that the answer is D