Chemistry, 18.09.2019 21:30 kiragor2545
Scientists decide the age of different rock layers by the things that they uncover in the rock. which of the items below could scientists use to date a layer of rock?
an insect flying near the dig site
a fossilized fish
a raindrop on the rock
a green leaf that fell off of a tree
Answers: 1
Chemistry, 22.06.2019 05:00
Cucl2 + 2nano3 cu(no3)2 + 2nacl what is the percent yield of nacl if 31.0 g of cucl2 reacts with excess nano3 to produce 21.2 g of nacl? 49.7% 58.4% 63.6% 78.7%
Answers: 1
Scientists decide the age of different rock layers by the things that they uncover in the rock. whic...
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