Our planet, Earth appears blue due to the mass amounts of water and lacks on its surface.
The answer to your question is, Tank trucks marked with hazardous materials.
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Base on my own research and further investigation about the said problem or topic, between the 1000 - 1400 CE, the Pueblo people are building houses called Pueblos that is made from bricks that would withstand an attack from enemies. I hope you are satisfied with my answer and feel free to ask for more
A) fresh water: fresh water means it is water that is fresh and it doesn't come from the sea or isn't polluted.
B) groundwater: it is presented beneath Earth's surface in soil pore spaces and in the fractures of rock formations
C) aquifer: it is a underground layer of water-bearing permeable rock.
D)irrigate: it is supply water to help land or crop grow.
E) physical water scarcity: it occurs when and where there is not enough water to meet both human demands and those of ecosystems to function effectively.
F) economic water scarcity: it is caused by a lack of investment in water or infrastructure of insufficient human capacity to satisfy the demand of water in areas.
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<span>Since it becomes quite difficult to write and interpret this figure using normal units of miles and kilometres, astronomers use light year to interpret it.</span>