1. Around 1900 the first dams were built on the Muskegon river, and this immediately cause a problem in the ecosystem by being a blockade for the movement of the water species, as well as causing higher mortality by killing them in the turbines.
2. By 1950 more dams were built, and the there were even more blockades on the way of the water species, so their movement was restricted even more, the mortality rates skyrocketed because of the disposing of the oxygen, temperature change, river flows changing etc.
3. Even though the scientists miss information from the period before the dams were built, since the information have started to be gathered it has been very obvious that the main factor for ruining the ecosystems on the Muskegon river are the dams by causing all sorts of changes in the water.
Answer:
Democratic.
Explanation:
Any other type of government besides democracy has no obligation to help the people. We have a representative government as of today I believe.
Answer:
From the statements mentioned about Convergent Boudaries we can select the following as true.
- Convergent boundaries are where two plates move toward each other. By definition this statement is true.
- New oceanic plate (oceanic lithosphere) is created at convergent boundaries. True, a new oceanic plate can form from the action of convergent boundaries at midocean, lava and million of years do the remaining job.
- Convergent boundaries that have subduction occurring provide a "pull" force that contributes to plate motion. False, Subducting melt and ascend trough the rock creating a volcanic eruption cone and producing an island chain.
- Oceanic plates can be destroyed at convergent boundaries due to subduction. False, The older plate will subduct due to its density and it is forced deep into the mantle, it will melt once the deepth is reached.
Dividing islands north and South Korea
