Which of these organizations lists "preventing mass extinction of species" as
one of its goals?

a. the convention on biological diversity

b. theconvention on international trade in endangered species

c. the ramsar convention

d. the world trade organization

a is correct —> apex

depends on if you on plato or not

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.