I’m lost at this question, sorry but I would’ve help !
Answer:
If you put in too much helium, and the pressure inside the balloon exceeds the atmospheric pressure on the outside of the balloon, the balloon will burst.
Explanation:
Welcome! I'm just starting out
It's going to be the third one because conductors allow energy to flow but insulators don't.
It affects the environment because more animals and plants will grow. Down side is if there are bugs or insects that need water to live, if there's more water than more bugs. If bugs also feed on plants there could be an over population.