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Where do you get carbondioxcide?
Trees breath it in. Humans breath it in. So its in the air around us!
The air is made made of what gas?
it is oxygen and/or carbondioxcide ( srry I didn't spell it correct )
Does oxygen make a tree grow?
no. the tree grows on sunlight and carbondioxcide (like a human but the opposite) and gets nutrition from the soil. :)
What gas passes from blood to body cells?
OXYGEN and nutrients, also gets rid of waste and carbondioxcide.
What is the more abundant gas found in the atmosphere carbondioxcide or argon?
Carbon dioxide is abundant gas in atmosphere. Argon is found only in traces.
How many levels on run 2?
there is 25 levels + the bonus levels which there is 5 bonus levels
What is the difference between A-Levels and AS-Levels?
AS levels are the first half of A levels, if you stop after the first year you get an AS qualification.
How do you unlock levels?
levels of what?!
Illustrate 4 tropical levels?
tropical levels or trophic levels?
How many levels does run 2 have?
there are 25 levels + 5 bonus levels so there are 30 levels in total
How many levels are on astro barrier?
There are 40 levels on Astro Barrier + 10 secret levels + 10 expert levels
What is levels of production?
what is levels of production
