Answer: any non-living thing
Explanation: abiotic means non-living
D I believe. Correct me if I’m wrong.
Their atomic number increases
The last photo because its molecular formula is C3H4.
Answer:
10.8 ml
Explanation:
The BOD is an empirical test to determine the molecular oxygen used during a specified incubation period (usually five days), for the biochemical degradation of organic matter (carbonaceous demand) and the oxygen used to oxidise inorganic matter.
See attached file