pH is an indication of acidity.
Without actually seeing them, I would guess parasite infestation. The pot belly and loss of weight is normal with a heavy parasite load. There may be an underlying medical problem, so a fecal sample is in order.
chemical change
- place a sample in a refrigerator- place a sample in liquid nitrogen
sample of problem solving
chemical properties can be observed only when the substances in a sample of matter are changing into different substances
Me
Chemical Properties can be observed only when substances in a sample of matter are changing into different substances.
let the problem find you!
A stain is the result of an interaction between substances.
hardness
give sample of word problem of acceleration