Answer:
Excess nutrients from fertilizer runoff
Explanation:
The nutrients can create bacteria for the algae
More than 99 percent of all species, amounting to over five billion species, that ever lived on Earth are estimated to be extinct. Estimates on the number of Earth's current species range from 10 million to 14 million, of which about 1.2 million have been documented and over 86 percent have not yet been described.
Answer:
Central canal
Explanation:
running through the osteon
central canal or haversian canal,contains blood vessels,nerves and lymphatic vessels.
Answer:
B. Cardiac
Explanation:
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They are called hand antiseptics.
