C. it cant be a since it exist
Pollution is always a good way to go but you don't have to do air pollution you can do water pollution or both air and water pollution.
provide the barrier that marks the boundaries of a cell.
This should be True
Seafood Watch has had an immense influence on decisions regarding illegal fishing practices and has helped design sustainable seafood environments due to their lists of seafood that should be eaten without worries.
Vestigial structures are often homologous to structures that are functioning normally in other species. Therefore, vestigial structures can be considered the evidence for evolution, the process by which beneficial heritable traits arise in populations over an extended period of time.
