Answer:
lanthanum
Explanation:
lanthanum is an inner transition metal
I believe both C) and D) are correct, because both have enough electrons to show that the element has enough protons to be a transition metal, and both elements seem to have an electron configuration that exists in the ground state. We may need more information.
Human<span> activities contribute to </span>climate change<span> by </span>causing changes<span> in Earth's atmosphere in the amounts of greenhouse gases, aerosols ,which are small particles, and cloudiness. The largest known contribution comes from the burning of </span><span>fossil fuels,</span><span> which releases carbon dioxide gas to the atmosphere.</span>