The earliest introduction of zebra mussels in united states probably occurs in 1986.
At that time, commercial vessels from Europe went to north America as a place for freshwater ballast stowaway. They merchants then introduced zebra mussels to the market and it gained popularity ever since. They also introduced zebra mussels population in local lakes and let them reproduce there.
Answer:
attitude
Explanation:
the farther you go to the top higher temperature it get
No because what happens when you run out of workers?
D- there is a price to compasses(dont remember what it’s called) that will find “true north” based on the Earths magnetic field
Answer:
Sarah and Dean are also more likely to be poor compared with married parents.
Explanation:
The number of unmarried couples with children in the U.S. has increased in the past decades, and statistical evidence shows that they have more probabilities of being poor than married parents, these tend to be better off financially.
There are many factors that contribute to this difference, two of the most important ones are age and educational level. Unmarried couples are commonly younger than married parents, since marriage rates have dropped among the younger generations; because of this, they have less job security and benefits than older married couples. It has also been demonstrated that younger unmarried couples tend to have a lower educational level, which also impacts on their job options and opportunities.
