what we can do is, put garbage cans on the sidewalks and put recyling signs on them so the can put any recycling materials in the proper garbage can.
When you have a problem that you need to solve!
You need answers! If we don't need answers, then how can you get your problem solve!
First you need to find the cause of problem.
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man do their work without disturbing the environment . recycling of wastes is the best process to save the environment.
Advantage : It's a rare metal so it's easier to find Disadvantage: it pollutes the air By recycling, you can not solve the problem of land-taken but make additional money from the valuable core.
Using your hands
Whenever there are problems that you need to solve.
I need help with homework pls help
When a scientist is trying to solve a problem they need to come up with hypothesis.
Edison's problem was DC. You would need a generator every few miles. He didn't solve the problem Tesla solved it. AC was a better system.
It is to use science for a practical job or to solve a problem.