They were used to increase mobility
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
County-Florida<span>
Count-</span>3,122<span><span>
Rate-</span><span>14.2</span></span>
The sixteenth amendment allows congress to levy income tax, adopted Feb 3, 1913