Answer:
Three primary reasons. First, there is simply more water-covered places than dry ground places for the animals and plants to have lived. Second, the seas are much more crowded with the kinds of life that leave fossils than the land is. Third, the process that form fossils work very well under water.
Explanation:
Answer:
they are composed of water
Answer:
D
Explanation:
As bioindicators are the organism that indicate or monitor the health of the environment
Answer:
2
Explanation:
to separate objects or ideas into group based on ways they are alike
