Renewable resources are resources that can be used repeatedly. Examples are wood, wind power, and solar energy.
Nonrenewable resources are resources that cannot be replaced naturally. Examples are oil, coal, and minerals.
The dissolving power of water is very important for life on Earth. Wherever water goes, it carries dissolved chemicals, minerals, and nutrients that are used to support living things. Because of their polarity, water molecules are strongly attracted to one another, which gives water a high surface tension
Answer:
Coefficient of 
is more than 4
Explanation:
Oxidation: 
- Balance charge:
......(1)
Reduction: 
- Balance Cr:
- Balance O and H in acidic medium:
- Balance charge:
.......(2)
![[3\times Equation-(1)]+Equation(2)](https://tex.z-dn.net/?f=%5B3%5Ctimes%20Equation-%281%29%5D%2BEquation%282%29)
gives balanced equation:
So coefficient of is more than 4
Everything on Earth can be easily described in terms of one of four forms of matter: solid, liquid, gas, and plasma. Students are familiar with the three common forms of matter: solids, liquids, and gases. A solid is an object that has a form.
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