Large segments of geologic time encompass shorter segments. What is the correct order of the five geologic time categories beginning with the largest time segment?

a. eon, epoch, era, period, age

b. era, eon, period, epoch age

c. eon, era, period, epoch, age

d. age, epoch, period, era, eon

e. period, eon, era, age, epoch

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a 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.