If the pre-order traversal sequence of a tree T is ACDEF HGB, the in-order traversal sequence is DECAHF BG, then what is the sequence of post-order traversal

Of the following pieces of information in a document, for which would you most likely insert a mail merge field?

language consists of basic components, and they are called a. 3; mental images, concepts, and speech b. 2; language acquisition and linguistic relativity c. 3; heuristics, algorithms, and analogies d. 4; phonemes, morphemes, syntax, and semantics e. 2; words and grammar

What are the things you are considering before uploading photos on social media?