Siganme y los sigo, cumplo

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d

In a constitutional monarchy, the king or queen a. is a symbol of the nation b. runs for office c. controls the legislative branch d. has absolute control

The oldest seafloor in the atlantic ocean is located closest to the edge of the continents. explain how this age can be used to figure out when north america first began to separate from europe