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Why does the harder material scratch the softer material in mohrs?
The Mohs scale definition of hardness is that a harder material has the ability to scratch a softer material. So (according to the Mohs definition) one material can scratch another one because it is harder.
How can ice produce striations on harder materials?
When a piece of ice is pressed against a harder material and dragged across it, the ice can pick up fine particles of the harder material. As the ice moves, these particles act as abrasive agents, creating scratches or striations on the surface of the harder material. This process is known as abrasion.
Why can a cell get only so large?
There is a surface area to volume ratio, as a cell gets larger it becomes harder and harder to transport materials inand out of the cell. There has to be enough surface area to supply the cell with all of the materials that it needs for survival.
Why are there scratches on a wooden ruler when a nail is used to scratch it?
The nail is harder than the wooden ruler, causing the nail to leave scratches on the ruler's surface when it is dragged across it. Wood is a relatively soft material compared to metal, so it is easily marked by harder objects like a nail.
In general the surface of a tree has a harder feel than does the surface of a dog what cell characteristic of each organism can be used to explain this difference?
All of their inside structures that make them up is why a tree feels harder than a dog.
Do cells with a higher area-to-volume ratio have a harder time with the exchange of material into and out of the cell?
false
Why does the harder material scratch the softer material in mohrs?
The Mohs scale definition of hardness is that a harder material has the ability to scratch a softer material. So (according to the Mohs definition) one material can scratch another one because it is harder.
How can ice produce striations on harder materials?
When a piece of ice is pressed against a harder material and dragged across it, the ice can pick up fine particles of the harder material. As the ice moves, these particles act as abrasive agents, creating scratches or striations on the surface of the harder material. This process is known as abrasion.
What is case hardening?
Case hardening or surface hardening is the process of hardening the surface of a metal, often a low carbon steel, by infusing elements into the material's surface, forming a thin layer of a harder alloy.
Why do you need a greater force to penetrate a strong surface?
A stronger force is needed to penetrate a strong surface because the surface's particles are tightly bonded together, making it harder to break through. The force has to overcome the intermolecular forces of the material to create a disruption in its structure.
Which surface is harder concrete or wood?
Concrete
Why are surface of teeth harder than bones?
The enamel is the hardest substance in the body because it contains hydroxyapatite (crystalline calcium phosphate), a very highly calcified and hard organic material.
Why can a cell get only so large?
There is a surface area to volume ratio, as a cell gets larger it becomes harder and harder to transport materials inand out of the cell. There has to be enough surface area to supply the cell with all of the materials that it needs for survival.
Why are there scratches on a wooden ruler when a nail is used to scratch it?
The nail is harder than the wooden ruler, causing the nail to leave scratches on the ruler's surface when it is dragged across it. Wood is a relatively soft material compared to metal, so it is easily marked by harder objects like a nail.
Is gold or diamond harder?
Diamond is the strongest material know to man.
Are fuzzy car seats harder to keep clean?
They are much harder to clean because dirt can imbed in the material much easier.
Cells are limited in size by their surface areas and what?
Cells are limited in size by their surface area-to-volume ratio. As a cell grows larger, its volume increases faster than its surface area, making it harder to efficiently exchange nutrients and waste across the cell membrane. Additionally, cells are limited in size by the efficiency of cellular processes such as DNA replication and protein synthesis.
