Answer:
a gypsum.
Explanation:
On the moh's scale of hardness, minerals that are above another can be scratched by the one below.
The moh's scale is used to measure the hardness of a substance.
- Hardness increases upward on the scale
- Since gypsum and talc are found below the hardness of fingernail.
- They can easily be scratched by the fingernail.
Weathering is the breaking down of rocks, soil and minerals. Erosion is the process of being gradually worn away by natural agents such as wind and water.
Some rocks may be generally weaker which causes them to break down quicker than rocks that are stronger.
It means to show the world on a map as close to how it really is without changing the size or shape of the land on it
A global dependence on fossil fuels leads to an increased demand for limited resources. This leads to increased costs and access to resources for people and countries with greater monetary resources. Developing countries experience stand points to their development through their inability to access fossil fuel resources.