Identify each of the following as either a physical change or a chemical change. explain your answers.

a. a piece of wood is sawed in half.
b. milk turns sour.
c. melted butter solidifies in the refrigerator.

A would be Physical

B would be Chemical

and C would be Physical

Explanation:

A would be physical because the wood is physically changing

B would be chemical because it's still milk but it now had clumps called curds and a very sour taste

C would be physical because the melted butter is physically changing from melted butter to solid butter.

Hope this helps.

the answer is: they rebelled against saddam hussein’s rule.

kurds opposed saddam rule and wanted independence. kurds in the north and shiites in the south revolt against hussein.

for example, the halabja attack in 1988 conducted against the kurdish people by the iraqi regime under saddam hussein, where between 4000 people are killed and around 9000 are injured.