How do we learn about a culture by studying its currency??
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Related Questions
Explain why is the sky blue? When you got to space, the sky is black but if you look at sky from earth, it looks blue. Why is the sky blue and how does the color change over time?
A head of __________ directly manages a country by making decisions and wielding power
How do the coriolis effect and the outlines of continents constrain the global ocean convection cycle
Describe three things that can happen to water when it falls on Earth’s surface.
solar energy
B.
hydroelectricity
C.
fossil fuels
D.
geothermal energy
**EXPLAIN!**
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Solar power is a clean source of energy.
Hydroelectricity is using water to create electricity.
I believe geothermal energy also releases greenhouse gases, but not as much as fossil fuels.
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or
ORE : Abbreviation
B.Large sandstone formation in the barren outback of central Australia
C.Worlds largest reef system
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The correct answer is - B. Large sandstone formation in the barren outback of Central Australia.
The Ayers Rock, or Uluru in the native language, is a large sandstone formation in the barren outback in the central part of Australia. This rock is actually one of the trademark natural features of Australia and it is a big tourist attraction, but also a sacred place for the indigenous people of the tribe Pitjantjatjara Anangu. The rock has lot of ancient paintings on it, as well as nice surroundings with lot of springs, waterholes, and rock caves. The Ayers Rock/Uluru is listed as a UNESCO World Heritage Site, and this natural feature is in a national park.
World's largest reef system nest describes the physical features of ayers rock.
Thanks
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Answer:
b. Bacteria photosynthesizing dissolved carbon dioxide in oceans
Explanation:
The levels of oxygen that we know nowadays in the atmosphere have not been like this in the more distant past. In order for the oxygen to start building up and change the composition of the atmosphere, something needed to happen, and that something was the cyanobaceteria. The cyanobacteria was able to perform photosynthesis, so it started to use the dissolved carbon for it, while in meantime it was releasing oxygen in the atmosphere. As the cynaobacteria was growing in numbers, over the course of millions of years, it managed to propel enough oxygen in the atmosphere so that the other organism can start developing, thus changing the world forever.
Final answer:
The earliest event enabling oxygen production in Earth's atmosphere was cyanobacteria, also known as blue-green algae, photosynthesizing dissolved carbon dioxide in oceans and releasing oxygen as a byproduct.
Explanation:
The earliest event that allowed for the production of oxygen in Earth's atmosphere was b. Bacteria photosynthesizing dissolved carbon dioxide in oceans.
During the first two billion years of Earth's existence, the atmosphere was anoxic - it lacked molecular oxygen. The only living organisms were anaerobic organisms, which can survive without oxygen. The process began to change with the appearance of phototrophs, autotrophic organisms which convert solar energy into chemical energy, and later cyanobacteria or blue-green algae evolved from these simple phototrophs.
Cyanobacteria began the oxygenation of the atmosphere by undertaking photosynthesis and releasing oxygen as a by-product. Their emergence and the resulting increase in atmospheric oxygen allowed for the development of more complex life forms, and the colonization of land, as the ozone layer (formed from oxygen) could absorb harmful ultraviolet light.
Learn more about Cyanobacteria and oxygen production here:
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