Which characteristic is not a characteristic of plastic?

As long as it is not one of these:
 -resistance to corrosion and chemicals
 -low electrical and thermal conductivity
 -high strength-to-weight ratio
 -colors available in a wide variety and transparent
 -resistance to shock
 -good durability
 -low cost
 -are easy to manufacture
 -are resistant to water
 -have relatively low toxicity


hope this helps

Neptune is the eighth planet from the sun. it was the first planet to get its existence predicted by  mathematical calculations  before it was actually seen through a telescope on sept. 23, 1846. irregularities in the orbit of  uranus  led french astronomer alexis bouvard to suggest that the gravitational pull from another celestial body might be responsible. german astronomer johann galle then relied on subsequent calculations to   spot neptune via telescope. previously, astronomer galileo galilei sketched the planet, but he mistook it for a star due to its slow motion. in accordance with all the other planets seen in the sky, this new world was given a name from greek and roman mythology — neptune, the roman god of the sea.

Electoral current force mechanical advantage if the wheel and axle is 2 n and the output force is 20 n