D. Uracil which is what is use in RNa instead of thymine
a grocery bag
Thermoplastic is known to be a plastic material with a polymer that can be molded above a specific temperature and solidifies upon cooling. Thermoplastics can be remelted or reshaped by heating and they have low melting points. Furthermore, they usually have high concentration of polymers with amorphous structures, the material will have a poor resistance to loads but it will have an excellent elasticity.
Answer:
only helium makes balloons go up so the answer is helium
Explanation:
