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What are rocks that have been worn away or broken up by chemical biological or physical processes called?
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What are two processes that results in rocks being broken down into smaller pieces?
chemical and physical weathering
Is a broken balloon a physical or chemical change?
Physical, because the balloon did not have a change in its chemical composition when it broke.
Is mending a broken bone a physical change?
Chemical Change
What substances cannot be broken down into any other substances by physical or chemical means?
All substances can be broken into any other substances (or elements) by chemical or physical methods.
Is digesting food chemical or physical changes?
Chemical Change
The process by which rock materials are broken down by the action of physical or chemical processes?
weathering
The process by which rock materials are broken down by the actionof physical or chemical processes is known as?
weathering
What are two processes that results in rocks being broken down into smaller pieces?
chemical and physical weathering
What two processes that result in rocks being broken down into smaller pieces?
chemical and physical weathering
How would you differentiate the effect of physical hazard from biological hazard and chemical hazard?
physical hazard affects you physically but a biological or chemical hazard affect you from within. Physical hazards may cause injuries such as broken leg, cuts, wounds, etc. while biological/chemical hazards can cause injuries such as choking, inability to breath, internal bleeding .
A subtance that cannot be separated or broken down into simpler substances by chemical means?
Is a pure substance such as an element. Remember elements can not be broken down further by chemical or physical processes.
Is a rotting apple a chemical change?
Yes, rot is a chemical change. When organic substances rot, they are broken down into new substances. Because substances with different chemical properties are created, the reaction must by a chemical one.
If something is broken into tiny pieces is it a chemical or physical change?
Physical.
A material that can not be broken down into simplier materials?
I think your referring to an element, the basic unit(s) that cannot be broken down without fission.
Is a broken balloon a physical or chemical change?
Physical, because the balloon did not have a change in its chemical composition when it broke.
What occurs when rocks are broken apart by physical processes?
Mechanical Weathering
What weathering occurs when rocks are broken apart by physical processes?
mechanical
