coal
coal
coal is cheap to use, but also very dirty
The job of shoveling coal was backbreaking, dirty, repetitive, monotonous, unhealthy.
Mostly for weapons. They use coal for almost all electricity. very dirty coal
Because they contain oil and coal things such as these.
its bad for the environment,and being a solid,its dirty
Coal accually can be pretty heavy because its like a big rock. It can also get your hands really dirty if contacted.
because it is messier to get and it makes people dirty
To make something dirty or impure
Physically dirty- coal mining has to rank very high on the list.
Which one? There are many diseases that can come from dirty water. And not just by consumption. It also varies on your definition of "dirty water."