Im like 98% sure its B because ultra sounds hear the frequency's of the baby in the womb
Answer:
The water treatment plant does not work properly.
Explanation:
The data from the river samples showed that there was a problem with the water treatment plant because there is high amount of pollutants are present in the river sample. The presence of pollutants in the samples shows that the water treatment plant did not work properly, if they did no pollutants are present in the river water so this presence of pollutants indicates inefficiency of water treatment plant.
1) alcoholic fermentation
2) -
3)mutualism and symbiosis
4) ATP
