Answer:
a solution of salt is homogeneous mixture
a sulution of muddy water is heterogeneous mixture
Explanation:
reason for salt and water as homogeneous mixture because water dissolves salt easily unlikely heterogeneous mixture in which water cannot dissolve mud in it
Answer: The first steps
Explanation: science
Answer:
J. J. Thomson
Explanation:
This is called the plum pudding model which was proposed by J. J. Thomson.
Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances.
