What are local authorities doing to fix the problem of purple loosestrifes? (invasive species)

littering streams           is the answer

b c a d mark me

where is the diagram?

if you insert the diagram ill be able to you

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.