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.
Add your answer. How long is this green card wait? I am already in the USA, I do not plan on leaving the USA before I received my green card, I have immigrant visa on my passport that would expire this February (which is in 2 weeks). On the immigrant visa, is says that acts as a green card for 1 year. Now, my question is, I have not receive the physical green... show more I am already in the USA, I do not plan on leaving the USA before I received my green card, I have immigrant visa on my passport that would expire this February (which is in 2 weeks).