What eon, era and period do you live in?

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 of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic

To confirm when to exclude children from school it’s recommended that you refer to guidelines from which of the following organizations