Chemistry, 05.05.2020 10:46, Deavionaaaaa
Iridium is a substance found only in asteroids and other space objects. This graph shows the amount of Iridium found in different sediment layers of Earth. They are marked off into 17 sections representing time. Iridium Levels graph shows Iridium levels in sediment layers. Beginning at sediment layer 1, iridium levels remain between 0 and 5, jumping to a level of 23 between layers 5 and 6, and decreasing to near starting levels at layers 14 through 17. What most likely happened in sediment layer 5? A massive volcano erupted, causing global warming and lava flow, which in turn caused mass extinction. More iridium was produced by space objects and dumped by local factories. A massive dust cloud formed, causing global cooling and a lack of sunshine. This in turn caused a lack of plants and a mass extinction. Fewer impacts lead to a drop in iridium levels and a mass extinction caused by a lack of sunshine.
Answers: 3
Chemistry, 22.06.2019 03:10, lilque6112
Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?
Answers: 3
Chemistry, 22.06.2019 04:00, heavyhearttim
4. absorption has the highest risk of overdose due to increased potency. a. rectal b. oral c. transdermal d. intranasal
Answers: 2
Chemistry, 22.06.2019 06:10, andybiersack154
Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.
Answers: 1
Iridium is a substance found only in asteroids and other space objects. This graph shows the amount...
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