Fossil Record and Embryology Quick Check help please!!!

Which statement is true?

Recent remains of plants or animals on topsoil are fossils.

Imprints of leaves or footprints in sedimentary rock are fossils.

Insects preserved in hardened tree sap are not fossils.

Petrified skeletal bones from an ancient mammal are not fossils.

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.

did you fail the test? xd