A team of engineers is designing a habitat for astronauts to live in on the Moon. Which statement describes a criterion of this project?
A. The habitat must be completed within 10 years.
B. The habitat must use fewer than 200,000 kg of materials.
C. The habitat must protect astronauts from harmful radiation.
O D. The habitat must cost less than $500 billion to build.
SUBMIT

the correct answer to this question is 2

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.