How does population size increase or decrease?

Answer the following questions: Does the apparent depth of a tank of water change if viewed obliquely? If so, does the apparent depth increase or decrease?

When temperature of metal increases, does the resistance increases or decreases?

How can pressure be increased or decreased?

Does the adsorption of a gas on the surface of solid increases or decreases with rise in temperature ?

for a given energy of the projectile,does the scattering angle increase or decrease wtih the increase in impact parameter?

How does the increase and the decrease in the value of 'r' affect the population size?

For a given impact parameterb,does the angle of deflection increase or decrease with the increase in energy?

The density of population in a given habitat increases or decreases due to diferent reasons. Name two factors responsible for increase in population in a given area.

Why does physisorption decrease with increase in temperature ? Explain.