24-01-2017
Biology

contestada

Fossils are ____

a. oldest layers of rock in a region

b. remains of tracers of prehistoric life

c. living creatures with habitats in or around rock

d. objects that people of long ago left behind as artifacts

Respuesta :

24-01-2017

Fossils are Remains Of Tracers Of Prehistoric Life

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babygirl211 babygirl211

24-01-2017

fossils are B)remains of prehistoric life

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