Environmental conditions in coastal estuaries vary hourly and seasonally. (a) discuss two important causes for the variation in the temperature and/or salinity of an estuary. be sure to include the connection between each cause and temperature and/or salinity. (b) discuss two roles that coastal wetlands play that are ecologically important, and two roles that wetlands play that are economically important. (c) identify and explain three ways in which humans have had a negative impact on or have degraded coastal wetlands. (d) choose one of the negative human impacts you identified in part (c), and explain one environmental policy and one economic incentive that could have prevented it.
i'm assuming it would be population density. my class never covered this subject greatly, but the definition is "population density is a measurement of population per unit area or unit volume; " which sounds like what you are looking for.
hope this !
the aurora (northern lights and southern lights) only occur in the thermosphere
a thermosphere is a layer of the earths atmosphere and the thermospere
is above the mesosphere and below the exosphere .
their absorption of iron can decrease.