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.
When you get your green card it is good for 2 yrs. It is called a conditional green card (the condition is you married a US citizen) After 2 yrs you can apply to have the conditions removed. This next green card is unconditional and is good for 10 yrs.After you have had your green card a total of 2 yrs 9 months you can apply to become a US citizen.Also you do NOT have to reapply for a work visa each year. That information is just wrong, wrong, wrong! Your green card gives you permission to live AND work in the US.fter you have had your green card a total of 2 yrs 9 months you can apply to become a US citizen. Also you do NOT have to reapply for a work visa each year. That information is just wrong, wrong, wrong!