Your answers would be chromosome and gene!
Answer:
"Biodegradable” refers to the ability of things to get disintegrated (decomposed) by the action of micro-organisms such as bacteria or fungi biological (with or without oxygen) while getting assimilated into the natural environment."
because humans are not perfect and have their own prejudices and bias so no document will ever be "perfect"
The participle is "digging." Most participles end in -ing. It modifies "man", describing what the man is doing.