Scientist have determined that the early Earth had no free oxygen anywhere. Briefly explain what evidence in the rock layers that scientists found to prove when the early conditions on earth had free oxygen in the atmosphere

How the early man could easily preceive the ddiffernce between inanimate matter and living organisms?

If there were to be an abrupt change in the climate system, what would be the effect on human civilization? a. it would accelerate climate impacts by a decade or more b. it would require geoengineering to reverse the effects c. it may or may not be a serious concern, depending on the event d. it would be a catastrophe and nearly impossible to manage

Use the graph to answer questions #7-8 on the fossils. I think number #9 is B

In Stanley Miller’s experiment to recreate the early Earth conditions that gave rise to life, describe which part of the experimental instruments mimicked the ocean, the atmosphere, rain, and  lightning.

This tropical area that existed 37-29mya provided was home to many various species, including several primate species, including Parapithecus.   a.Rukwa Rift Basin    b.Hubei Province    c. Fayum

Imagine you were asked to excavate fossils from deposits near the top of the Grand Canyon and near the bottom . Predict any pattern you would expect to find in the fossils

Which of the following do not provide evidence that a meteor strike was a partial cause of the Cretaceous-Paleogene mass extinction?   a. A potential meteor crater off the coast of Mexico   b. High layers of iridium in soil deposits in the geologic record at that time   c. Shocked quartz was formed in large quantities at that time around the potential impact site   d. An ozone hole appeared in the atmosphere at the time of the meteor strike

Discuss the role that Fossils play in the global biosphere. (2 sentences min)

Fossils and fossil fuel Which action would decrease the amount of atmospheric carbon dioxide? A B OD [10 A B waste products C Part B: Which statement BEST supports the choice from Part A? D planting more trees increasing factory emissions driving more gas-powered cars creating more farms for livestock Trees remove carbon dioxide from the atmosphere during photosynthesis Factory emissions filter out the carbon dioxide in the atmosphere Gas-powered cars remove carbon trapped deep underground Livestock remove carbon dioxide from the atmosphere during cellular respiration. C2022 Illuminate Education™ Inc