Answer:
Its D- Weather is a highly complicated system that is very difficult to predict.
Explanation:
Weather has a pattern so A is not the answer and no way Meteorologists would keep information to themselves so not B and lastly it's not impossible but just very hard so C is out, which leaves D.
Withdrawal - the tobacco user is used to the nicotine and now they don’t have it. Their body will react to compensate for that loss.
Biotic factors: living or once-living
Abiotic factors: non living
I dont know the what the populations are (not enough information to answer)
Niche: a niche is a term describing the relational position of a species or population in an ecosystem. ... The abiotic or physical environment is also part of the niche because it influences how populations affect, and are affected by, resources and enemies.
Carbon dioxide + water ➡️ glucose + oxygen