What three things can people do to our environment?

Well...

There are various things you can do to help our environment. The easiest 3 things are reduce, reuse, & recycle.

Try not to use a lot of water excessively.  Also, try to be mindful of what you throw in the trash. Lastly, you can save electricity and turn off any un-neccesary lights in your house, etc.

Hope this is useful:)

Have a great rest of ur day:}

the answer is nerve impulses.

good