Mechanical weathering breaks rocks into many pieces creating more surface area for chemical weathering
Nonrenewable we only use them and renewable we can use them over and over.
Chemical changes are considered unseen because they occur at the atomic level, changing the actual structure of the thing.
Answer:
Explanation:
Hello,
At first, they differ because a physical property is observed without changing the nature of the substance. On the other hand, a change in the nature of the substance must be carried out to observe a chemical property.
As examples, density, solubility and odor (physical properties) could be known by just analyzing a substance, nonetheless, pH, reactivity or combustibility must be known by submitting the substance to a specific chemical reaction.
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There are eight protons in an Oxygen's nucleus.
