In The Pros and cons of Plastics, explore how the economy (the way materials are made, sold, and
bought) is affected by using and producing plastics. Use
the information to answer the question.
How does producing plastics benefit the economy?

the answer is b & c i believe : )

1.solid

2.carbon dioxide

3.helium

intermolecular forces are the forces between molecules or particles.

there are two kinds of van der waals forces: weak london dispersion forces and stronger dipole-dipole forces.

in molecule of water there are dipole-dipole forces between negatively charged oxygen from one molecule of water and positively charger hydrogen of another molecule of water.

hydrogen bond is an electrostatic attraction between two polar groups that occurs when a hydrogen atom (h), covalently bound to a highly electronegative atom such as flourine (f), oxygen (o) and nitrogen (n) atoms.