Answer:
A group of animals of all the same species in an area.
Explanation:
Definitely true for kidney stones. Not sure about gallstones as they are formed I believe from buildup of fatty waste from hypercholesteremia. Less fluid volume in the body could cause these substances to aggregate in the liver/gall bladder instead of being broken down/filtered and flushed out in the bloodstream and GI tract, so I would say true
Answer: D. there's no difference
Other statements didn't made sense so that's why It's D.
Hope this helps!!
You boil the salt water because salt has a higher boiling point than water and therefore the water will evaporate, not the salt