Answer:
Whales are mammals and do not have gills, so they cannot take the dissolved oxygen that is in the water and turn in into a oxygen that they can breath.
Explanation:
Answer:
option B. cohesion..........tree.
In 1668, Francesco Redi, an Italian scientist, designed a scientific experiment to test the spontaneous creation of maggots by placing fresh meat in each of two different jars. ... Redi successfully demonstrated that the maggots came from fly eggs and thereby helped to disprove spontaneous generation.
I think its harmful, because its unhealthy for workers and its harmful to the environment and to the people. Its also a waste of water and it pollutes the air.
hope that i helped and sorry if i was too late.
