All animals and plants are made of cells. Animal cells and plant cells have features in common, such as a nucleus, cytoplasm, cell membrane, mitochondria and ribosomes. Plant cells also have a cell wall, and often have chloroplasts and a permanent vacuole.
Asker's rating. Report Abuse. You can stay outside for up to 2 years with a re-entry permit ...but you must keep a presence here ..home, bank account ..etc but for stays of over 6 months its best to get one a green card is for living here ...if you are not doing that you eill lose it. David Â· 6 years ago. Thumbs up. 2.
Renewing Your 10-Year Green Card. You should renew your Green Card if you are a permanent resident and your card is valid for 10 years and is either expired or will expire within the next 6 months. You may begin the renewal process by: Filing online Form I-90, Application to Replace Permanent Resident Card. Filing paper Form I-90 by mail.