17. 19 yd. 28 in.
- 16 yd. 31 in.

Answer feldspar,quartz,mica and amphibole;

Answer the zagros mountains, stretch across western iran and are located next to the khuzestan plain; answer( zagros mountains

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When a lake, river or other aquatic  system  becomes  eutrophic, it can have serious negative effects on other organisms like fish, birds and even people.if an algal bloom is so bad that it causes wide-spread death  in  the  water, the organisms that die will all sink to the bottom and start to decompose.