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.

option a and d is the correct answer

i hope this u

plz mark as the brainliest answer

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds