can anyone answer and explain these questions step by step?

Giver. Q=50g/s,H=50m,u=5.5m/s, dass D stablity in a rural area. The ground-level concentration along the centerline at a downwind distance of 500m from a stack (t.e. x=500,y=0,z=0 is Hpims 3. The feenoral dispersion modef is (Use Figure 4.6 and Figure 47 if neodod; 1g=106Hg ): C(x,y,z)=2gxQexp(2c2y2)[exp[2e2(xM)2]+exp[2p(x+w)2]] QUESTION 22 For a Semperature profle in an atmosphere: 30C on ground and 25C at 450m, the potential comperatuco gradiant, dr=(drdT)me(drdt)adia