Select all that apply to the property of hardness.

Hardness is a physical property

Friedrich Mohs developed the standard hardness scale.

Diamond can scratch quartz.

Explanation:

hope it helped! ^_^

hardness is a physical property

hardness is indicative of the strength of chemical bonds between elements.

hardness is a determined through a complicated processs that requires expensive instruments.

Friedrish Mohs developed the standard hardness scale.

Diamomd can scratch quartz

h let me think

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.