dairy
dairy
Milk is a substance. Everything is.
I believe it is a colloid: a type of mixture in which one substance is dispersed evenly throughout another.
Milk is a white substance that is produce for consumption primarily from cows. The composition of milk will change depending on the animal the milk comes from. The differences come from factors like the type of protein, the level of protein, fat, and sugar.
It's a pure substance.
Milk is a complex mixture.
carotene is a substance available in cow's milk ,responsible for yellowish milk fat
Lactose is also called "milk sugar" because it comes from milk. Think LACTose, like in lactate, lactation, etc.
They do produce a substance similar to milk known as crop milk which they feed to their young. However, while similar, this is not the same substance that mammals, like cows, produce.
It makes casein ,a type of rock or hard like substance
Mixture
Yes, a substance can have fat and protein. Milk has fat and protein.