Yes — if you're out of the U.S. for more than 6 months, it may be seen as abandoning residency

Trips over 1 year without a re-entry permit often result in automatic green card loss.

If questioned, you must show strong ties to the U.S. (home, taxes, job, family).

Yes, you can lose your green card if you stay outside the U.S. too long, especially if you are absent for say 6 months or one year without a reentry permit or if immigration officials believe you have abandoned the U.S. as your permanent home