It doesn't break down easily and it can cause a problem for the environment or wild life, by preventing things from growing or killing animals.
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Answer:
800 km
Explanation:
Smallest Migratory bird LITTLE STINT weighing as low as 15 gm ,from ARCTIC REGION travel over 8000 Km to reach India.
<span>Small jagged pieces of rocks, minerals, and volcanic glass the size of sand and silt (less than 2 millimeters (1/12 inch) in diameter) erupted by a volcano are called volcanic ash. Very small ash particles can be less than 0.001 millimeters (1/25,000th of an inch) across.</span>