Orestes plotted with his sister to kill his mother, Clytemnestra, and Aegisthus. He managed to do so, and the Furies tormented him for his crime. The Oracle of Delphi advised him to exile himself for a year and then come to the temple of Athena. After a year, Athena convinced some of the Furies to stop their torment. The Oracle then advised Orestes that, to get rid of the other Furies, he had to retrieve an image of the goddess
from the Taurians. He managed to so after meeting his sister
in Tauria.

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.