Maybe you can do something like a self operating beaker that does all the measuring, pouring, and mixing for you. If that’s not interesting enough you can make it talk too, like a robot. Hope this helps!
Answer:
The answer is C
Explanation:
This is because when there is constant rain or snow there is no time for condensation.
of course answer is thymine
Answer:
C
Explanation:
Many kinds of air pollution can't be seen, which means A is incorrect. Any kind of pollution can be harmful to you, which means B is incorrect too. Air pollution is very harmful but in most cases can't be directly seen, so C is correct. Pollution can be found everywhere, so D is incorrect also.