10. What can contaminate a river as a result of dredging?
a. potash
C. placer deposits
b. seawater
d. muddy sediments

Which process is involved in growing crops? irrigation transportation recreation condensation

Why is earth's outer core hotter than earth’s oceanic crust? earth’s oceanic crust is denser than earth’s outer core is. earth’s oceanic crust has lava flowing from the mantle. earth’s outer core has a composition of solid iron and nickel. earth’s outer core is deeper within earth than oceanic crust is.

Which hormone is used by both males and female?