Hector plays golf every saturday. his wife, alicia, notices that after a winning round, hector tends to play with the kids. after a losing round, he tends to watch television by himself. according to , over time, alicia is likely to conclude that hector’s golf games can exert a causal effect on his behavior at home.

the covariation principle  

Explanation:

Covariance states that when two different factors share a relationship with each other and if one changes, then the other factor should change as well, either negative or positive.

The same is happening with Hector's behavior. If he wins, he plays with kids (one factor), if he loses, he quits playing and watches television (the other factor).

The covariation principle: The Principle explains how we attribute a person's conduct or behavior to either the external causes (the situation) or the internal causes (their disposition).

answer: hey improve the marine life in a certain area.

they provide a new location for fishermen to fish and which works to ease the pressure on natural reefs.

they are a great way to get rid of large objects that would otherwise be placed on landfills

explanation:

in 342 bc j._c. egypt fell into the hands of the persians, under the reign of nectanebo ii

greek city-states unite in a revolt against the persian empire at the beginning of the fifth century bc. j.-c  

from the year 660 or 659 bc ad, cyrus preached the revolt against the medes to deliver the persians.