Fall First Quiz - Envi Sci 5 de 41
PUNTOS POSIBLES:
Why do developing countries often have age structures skewed towards younger age categories
O A combination of low fertility rates and high survivorship.
O A combination of high fertility rates and high survivorship.
o A combination of high fertility rates and low survivorship?
O A combination of low fertility rates and low survivorship.
1 2 3 4 5 6 7 8 9 10

answer; ///(d) the correct answer is double or triple

the answer is true. hope it .

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.