How would an understanding of social science be helpful to an epidemiologist?

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.

Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear

Which type of landforms forms at the plate boundary as a result of divergent stress