Answer: when one is lost, one is formed
The correct answer is lungs, kidneys, and perspiration. About 10% of all alcohol that you have intaken is being eliminated by the body come from the lungs, kidneys, and perspiration. Through lungs, it eliminates it through respiration. In kidneys, alcohol is being excreted through urination and for the perspiration is excreting alcohol content through sweating.
Its b. Ecosystem
Population is the number of a species in an area, it has nothing to do with physical characteristics.
Abiotic is just an adjective meaning not alive
Competition is just the interactions between organisms in the struggle for food, water, space, mates, and many other things again not physical characteristics
I’d say it’s the first one and it’s not even the first one probably than the last one