Title: Light-emitting diode.
Question: What type of fiber forms the backbone of the internet?

Title: Wood.
Question: The capability of diffuse-porous woods to carry what substance is spread out in the growth ring?

Title: Cubism.
Question: What were the other offshoots formed in countries other than France?

Title: Hellenistic period.
Question:
Who bestowed the title of king to Demetrius Poliorcetes?