Both of these verbs are used for asking about something or looking for information. The nouns for the request / investigation are enquiry and inquiry.
Technically, enquire is used for "ask" in general ("He enquired about prices for the products"), and inquire for a more formal investigation ("The police will make an inquiry into the alleged corruption.")
However, in American English it is now very common to use inquire for everything: "He inquired about prices for the products."
Due to its sedative properties, pumpkin juice is effective in curing insomnia. Insomnia patients are advised to drink a glass of pumpkin juice with honey. Generally, a pumpkin weighs around 4 8 kg (9 18 lbs). However, with the Cucurbita maxima (the largest pumpkins species) its weight can reach up to 34 kg (75lbs).