Answer:
Changes can occur to physical properties of a substance, but the chemical composition of the substance remains the same.
Answer:
D) Expressed in the stomach, but not in the cells of the small intestine
Explanation:
Answer:
Explanation:
Pollution: The farming of marine fish, crustaceans and even bivalves produces waste in the form of fecal matter and unused feed. These largely nitrogen-based wastes can cause oxygen depletion in coastal environments and a net loss of marine productivity in certain coastal areas.
Most bacterias are heterotrophs. Meaning they can't make their one good ( sadly :3)