Answer:
Water pollution is known to be a growing problem of 21st century all over the world. As a result of water pollution, pure water is transferred to less scare day by day. The most unique advantage of aquatic environment is the existence of life, and the most special feature of life is its biodiversity. There are many reasons for water pollution that affected negatively biodiversity. The planet’s biological diversity is affected greatly by any human activity. Six threats affect aquatic biodiversity; climate change, overexploitation, water pollution, habitat degradation, flow modification and exotic species invasion. Biodiversity maintenance is considered one of the leading keys to ecosystem services retention. So it can be said that the ultimate challenge nowadays is the protection of freshwater biodiversity.
Explanation:
Answer:
The correct answer is - lithosphere.
Explanation:
The lithosphere is the hard rigid layer of the earth or the planets. It is made up of the earth's crust and uppermost layer of the mantle. It has shown an elastic nature on the time scale for more than a thousand years.
The lithosphere has rocks and brittle solid in the crust and the top layer of the mantle.
Thus, the correct answer is - lithosphere.
Answer:
Both
Explanation:
Most ant species are generalist feeders, and only some ground-nesting and ground-foraging species are strictly predators. Ants are central-place foragers (with the exception of army ants during the nomadic phase) that may use different foraging strategies.
Answer:
The yam was the cornerstone of Mongol administration and allowed the Great Khan to run one of the largest empires in history.
Explanation:
