Please I’ll mark brainliest pls help

How is the shape of the poem “peer” connected to its meaning?

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound

Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold