Which of the following is true when creating a graph? the independent variable is on the x-axis. dependent variables are omitted. there must be at least 10 numbers on each axis. the data must be capable of being plotted as a straight line.

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.