<span>a large body of water surrounded by land.</span>
Answer:
Industries cause enormous water pollution: By directly discharging their untreated effluents into water bodies like rivers and lakes. By letting their polluting effluents flow onto land so that they get absorbed into the soil and pollute underground water.
Answer:
in some plants, the roots change their shape and get modified at absorb and transport water and minerals from soil to different parts of the plant. they are also modified for support, food storage and respiration. the roots modifications perform two major functions- physiological and mechanical
<span>b. humans</span>
Sponges and invertebrates dominated the seas during the Paleozoic Era. This era is said to have ran about 542 million to 251 million years ago. This was the time when the supercontinent broke and formed new continents. This era is most famous for the "Cambrian Explosion" where life exploded on Earth that started the evolution of arthropods and chordates. <span>
Life mostly flourished in the seas during the Paleozoic Era. This was proven by invertebrate-fossil records found. The most famous was the armored arthropod known as the trilobite. This organism scuttled around the seafloor about 270 million years ago.</span>
Enzymes in the Liver, kidneys, & GI tract are important in the metabolization of drugs.