It doesnt have structures that can be preserved in a fossil.
Explanation:
I'm assuming you're on Pennfoster cause me too.
4 options I'm not sure so correct me if I'm wrong
1. No fossil records exist for sharks.
( we have ancient shark teeth )
2. Salt water would degrade the fossil over time
(Idk maybe)
3. The species has survived too long
4. It doesnt have structure that can be preserved in fossil
( sharks are mostly collagen which doesnt preserve well, except teeth)
I'm about to submit my test I'll edit if I'm wrong.
Edit . I'm wrong
What may have caused Mercury to have a large metallic core and a relatively thin crust? a b. a large impact tidal coupling with the Sun solar wind clearing the nebula c. d. a slow orbital period a long period of flooding e. 19. Which is the oldest geological feature of Mercury? a b. C. smooth plains jumbled terrain intercrater plains lobate scarps rilles d. e. 20. The Moon's rotations per revolution is 1:1. Mercury's is a. 1:1 b. 2:1 c. 2:3 d. 3:2 e. 12 21. Which is a unique characteristic of Venus not shared by the other Terrestrial pianets? a . b. c. The planet has an atmosphere. The planet has volcanoes on its surface. The planet experiences retrograde rotation The planet has a strong magnetic field. The planet once had water on its surface. d. e. 22. Which is a characteristic Venus shares with Earth? a. b. Both planets have an ozone layer within their atmospheres. Both planets rotate clockwise on their axes. Both planets have a uniform circulation within their atmospheres. c. d. Both planets are still geologically active e Both planets have heavily cratered surfaces.
under the american revolution
Celsius is the correct answer
Theodosius the Great, was Roman emperor from 379 to 395. He is best known for making Christianity the state religion of the Roman Empire and great architecture projects in Constantinople.
