The sewage is full of bacteria which uses a lot of oxygen and the mayfly larvae might not have enough oxygen to live if they live by sewage
Answer: some viruses are contagious which makes them more dangerous than viruses that are not contagious
Explanation:
Answer:
What is the vascular system? The vascular system, also called the circulatory system, is made up of the vessels that carry blood and lymph through the body The arteries and veins carry blood throughout the body, delivering oxygen and nutrients to the body tissues and taking away tissue waste matter
They would die or have to have food digested for them.
Answer:
because they have chlorophyll as one of their many types of pigments.
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Explanation:
