I don't think it can. If you can think about a specific case where it does, or where it seems to do so, ask a more specific question, for further analysis.
Yes.
Sorry, you can't.
No problem. Without mass, gravity has no effect anyway.
It means a lump of something, often a tumor, is pressing tissues.
The mass of a solid is the amount of matter that it has that determines its heaviness without the effect of gravity. Its standard unit of measurement is kilogram.
If he died in Mass Effect 1 then he is not in Mass Effect 2. If he survived Mass Effect 1 he shows up in Mass Effect 2 but he can not be killed.
No, you have to complete the whole main story mode and depending on what level your at you'll start off with some xp in mass effec 2
Something that is 'sustained' lasts (prolonged for an extended period or without interruption) - therefore a sustained effect would be an effect that lasted.
The effect of mass extinction is extinction, death of a mass
Yes, there will be a Mass effect 3. even if your Shepard died, there will be a mass effect 3.
mass effect 2 will be
BioWare, the developer of Mass Effect has confermed Mass Effect 2 to come out in 2010.