Answer:
Russians have a new social class of wealthy business people.
Answer:
Factors affecting the shipbuilding industry can be divided in two groups: macro factors (world seaborne trade, oil prices, economic stability, and political stability) and market factors (subsidies by the government, scrapping of old vessels, charter rates, vessels on order).
Explanation:
The U.S. has more than 87,000 dams greater than six feet high (and two million overall). While many dams continue to provide benefits such as flood control, irrigation, and water supply, for other dams the cost of maintenance or the negative effects on communities, fish, and tribes justifies their removal.
Dam owners and regulators decide whether to remove a dam by weighing many factors including: the cost of removal and the ability to replace any lost power generation against avoided long-term maintenance; safety concerns; benefits to endangered fish populations; increased recreational and commercial fishing; and restoration of cultural values of nearby tribes.
By 2020, roughly 70% of dams will be more than 50 years old, inviting us to reconsider the value to the public of long-term investments in this infrastructure.
The lateral line system, which allows them to detct movement and vibrations in the water.
