THIS IS AN EMERGENCY I’ve been stuck on these two problems for a while I really need help. Will Mark brainliest

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

How does climate change cause the ocean's thermohaline current to slow down?

Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)