Answer:bones shells exoskeleton and old age Dna remants
Explanation:fossils are old bones or remaining parts of animals and they are buried under mud for so many years
This is the answer for you're topic and also I got this from my old computer history so yeah.
Answer: rocks weathered due to the effect of water.
Explanation: Placer deposits forms when rocks weathered due to the effect of water. The heavy minerals from the rocks get settled down in water. Minerals that form placer deposits have high specific gravity, they are resistant to chemical weathering process and are durable.
In the year 507 B.C., the Athenian leader Cleisthenes introduced a system of political reforms that he called demokratia, or “rule by the people. ... Although this Atheniandemocracy would survive for only two centuries, Cleisthenes' invention was one ofancient Greece's most enduring contributions to the modern world.