depends on how much.
No. Diamond is the hardest mineral, and is formed from carbon (C). Cellulose is the material plants make their cell walls from and has the formula (C6H10O5) n. It has makes up most of paper, cardboard and cotton.
255cm2
There is no limit on the number of times cardboard can be recycled. Cardboard will lose it's integrity as it is continuously recycled though.
It will float until the cardboard becomes saturated and eventually sinks.
love
Carbon mostly.
There is no protein in cardboard. If you want protein, you can find it in meat, fish, eggs, legumes. They taste much better than cardboard.
2000 pounds of Cardboard.
How much does the cheapest cardboard lunch tray cost?
Cardboard is made up of hundreds of compounds. The major component is cellulose. However, it is almost made up of hydrogen, carbon, oxygen.
250cm
about 50 litres
Impossible to answer. Billions and billions of tonnes. Cardboard is thrown into landfill all over the world, when it could all be recycled to make more cardboard.
Use some standard of cardboard wt. per square ft, as a box has six sides, you have (length x width + length x height + width x height) x 2 x lb/ sq ft or if in metric kg/ sq m. Get net weight by subtracting cardboard wt from box wt. One standard cardboard box wt. in US is 0.13 kg/ sq m. This number will vary in US and, may be quite different in other countries.
They are usually $35
Nothing. Its cardboard