Which events were achievements of the Middle Kingdom? Choose four correct answers. Cities, roads, and canals were constructed.
The Great Pyramid of Giza was constructed.
The Great Sphinx of Giza was constructed.
Diverse works of art were developed.
A strong central government formed.
Agricultural production increased.

The answer to this question is  c. pharmaceutical accumulation  reclaimed water refers to the water that being used again after it already  used for agricultural purposes.this type of water often contains pharmaceutical accumulation because of the chemical fertilizer that is used for the plants is absorbed into the water.

2cool and cold temperature unless its an ever green tree