C. They are based on evidences obtained from investigation
A lake community with four trophic levels suddenly suffers from algal blooms. Using the strategy of biomanipulation, an ecologist may propose removing zoonplankton.
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Answer:
C. According to the land sourthern Europe in a land of large rivers and lakes, while northeastern europe is dry and arid
Answer:
The Origin of Islam: According to Secular History. The origin of Islam can be traced back to 7th century Saudi Arabia. Islam is thus the youngest of the great world religions. The prophet Muhammad (circa 570-632 A.D.) introduced Islam in 610 A.D. after experiencing what he claimed to be an angelic visitation.
Explanation:
