GG102 Lecture Notes - Lecture 9: Moai, Burj Khalifa, Palynology
Document Summary
Gg102 class 9 earth as a system. Inuit in north have higher concentration of toxins in their bodies than us in south where it originates! Eg. in 2015, bridge in czech republic stripped off a coat of paint where the dust fell into a river and went downstream 1000kms. In 2016, hamburg discovered that it cannot dredge out the river, b/c no one would dispose it. Mines send resources to china from can where it is manufactured, dust gets back into air in bc. Global wind circulation deposits polluted air over the arctic does(cid:374)"t get re(cid:373)o(cid:448)ed (cid:271)/(cid:272) (cid:374)o winds originate in the north and go back south. Global ecosystem as thick as the wax layer on an apple is essential to survival. 900 moai 4-10m tall; 10-80 tons (as much as jumbo jet); one quarry on island. 1722 (cid:862)dis(cid:272)o(cid:448)ered(cid:863) (cid:271)y europea(cid:374)s; (cid:374)o trees, (cid:271)oats, (cid:448)egetatio(cid:374), star(cid:448)i(cid:374)g popl(cid:374), (cid:449)ar, did(cid:374)"t know other humans existed.
