Question

why the old man sad?​

Answer 1

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Old man sad. firstly,the old man was suffer their sons. secondly, he is suffering from his health.

Answer 2

Answer:

Holozoic nutrition (Greek: holo-whole ; zoikos-of animals) is a type of heterotrophic nutrition that is characterized by the internalization (ingestion) and internal processing of gaseous, liquids or solid food particles. ... Ingestion: In animals, this is merely taking food in through the mouth

Explanation:

ᴍᴀʀᴋ ᴀʙᴏᴠᴇ ᴀɴsᴡᴇʀ ᴀs ʙʀᴀɪɴʟɪᴇsᴛ