Answer:
only helium makes balloons go up so the answer is helium
Explanation:
You may have to enlarge it but here you go!
One of the species dieing off.
1. D
2. idk
3. C
4. C
5. A
6. idk
♥
An Igneous rock can change from sedimentary to metamorphic and back again or vice versa.
<span>Metamorphic rocks form from heat and pressure
</span>Sedimentary rocks<span> are </span>formed<span> when sediment is </span>deposited out<span> of air, ice, wind, gravity, or water flows carrying the particles in suspension.</span>