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.
Explanation:
caring of earth ia necassary because to reduce the misuse of air,water,land,forest,minerals with affects the earth and result in problems luke global warming,climatic changes,scarcity of food etc.thus brief caring for the earth means life for everyone
"Sulla<span> took control of </span>Rome<span> in late </span>82<span> and early 81 BC after victories in the civil war of his own making, and those of his chief legate Pompeius Magnus. ... </span>Sulla<span> not only butchered the constitution through various reforms he would make, but also focused his power on the leading members of the Roman ruling </span>classes<span>." This quote should help!</span>
Answer: A higher dependency ratio is likely to reduce productivity growth. A growth in the non-productive population will diminish productive capacity and could lead to a lower long-run trend rate of economic growth.
