Hey guys can you please help I dont get this question

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?

Awolf pack hunts,kills, and feeds on a moose. in this interactions, the moose is a?