Which of these is an environmental effect of building dams?
a.) sediment buids up downstream
b.) increased fertility downstream
c.) increased water teperture upstream
d.) weed growth upstream

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

Which set of terms best describes a community of miners who live out in the countryside of west virginia and use specialized geographical equipment to analyze the composition of rocks

Identify the structures ! 20 points