Ice is the hardest type of water.
Chemically speaking, water containing Calcium Magnesium is the hardest type of water.
*Hardness and Softness in water refers to how many minerals are in the water, and how water feels against skin, how well it uses soap to clean bodies and suds to clean clothing and dishes. More so, hard water damages hair, skin, cooking pots & pans, porcelain in tubs and sinks, dish washers and washing machines. Humans add chemicals to water to "soften" it for household purposes and for human comforts.
Anthracite is the hardest type of coal.
Anthracite is the hardest type of coal.
anthracite
Diamond is an allotrope of Carbon and is the hardest known form of Carbon.
Hardest question ever
Heavy clay soil
Anthracite is the hardest type of coal.
Anthracite is the hardest type of coal.
Ice is the hardest type of water.Chemically speaking, water containing Calcium Magnesium is the hardest type of water.*Hardness and Softness in water refers to how many minerals are in the water, and how water feels against skin, how well it uses soap to clean bodies and suds to clean clothing and dishes. More so, hard water damages hair, skin, cooking pots & pans, porcelain in tubs and sinks, dish washers and washing machines. Humans add chemicals to water to "soften" it for household purposes and for human comforts.
Anthracite is the hardest type of coal.
There is no hardest storm to prevent. No type of storm can be prevented
trying your hardest to get water
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salt water
anthracite
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lake water