Answer:
C. dark organic matter that forms when plants and animals decay
<span>It would die as harmful substances entered the cells.</span>
Answer:
East Ferris running out of water because the amount of available freshwater decreases when people use more than the amount that flows into their area.
Answer:
Cyanobacteria are aquatic and photosynthetic, that is, they live in the water, and can manufacture their own food. Because they are bacteria, they are quite small and usually unicellular, though they often grow in colonies large enough to see. They have the distinction of being the oldest known fossils, more than 3.5 billion years old, in fact! It may surprise you then to know that the cyanobacteria are still around; they are one of the largest and most important groups of bacteria on earth.
