Which equation correctly represents a change in population density? А Change in Population Density = (Births + Immigration) - (Deaths + Emigration)
B Change in Population Density = (Births + Emigration) - (Deaths + Immigration)
C Change in Population Density = (Births - Immigration) + (Deaths + Emigration)
D Change in Population Density = (Births + Immigration) + (Deaths - Emigration)

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.

answer; three;