Flatworms possess excretory organs known as nephridia. Specifically as annelids, flatworms possess a variant known as metanephridia.
Answer: all eukaryotes
Explanation: Plants and animals both preform cellular respiration. Cellular respiration is the process of sugar (glucose) being in the process of transforming into energy for the cells!
Answer:
it damages the earth's atmosphere and harm animals and the air we breath