Answer:
Explanation:
Oxygen is of no use to them, so they release it into the air. So there's a simple explanation for the Great Oxidation Event. It was the cyanobacteria, pumping out unwanted oxygen, that transformed Earth's atmosphere.
The informal sector lacks land, capital, and technology, and can be less productive than formal enterprises, however, it can improve individual earnings and add money into the economy. It is the access to the market and power to purchase that can assist the productivity of the informal worker. If products can be sold on a cheaper mass scale to informal workers to use as a resource, this could help improve this sector to be more meaningful.
The nearest star to our solar system is Proxima Centauri and if we traveled at the speed of light we would get there after<u> 4.25 years. </u>
<h3>How long would it take to reach Proxima Centauri?</h3>
Proxima Centauri is the nearest star to our solar system and it is located around 40,208,000,000,000 km away.
If we were to travel to it at the speed of light, we would get there in:
= Distance to Proxima Centauri / Light travelling distance per year
= 40,208,000,000,000 / 9,460,730,474,334 km/ year
= 4.25 years
Find out more on Proxima Centauri at brainly.com/question/21107590.
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Answer:
Ferrous (Fe²⁺) and magnesium cation (Mg²⁺).
Explanation:
The olivine mineral is a type of orthosilicate, which is generally yellow to yellow-green in color. It is the main component of the upper mantle of the Earth, which can be found in igneous and metamorphic rocks.
The olivine mineral exists in the form of Mg₂SiO₄, Fe₂SiO₄, or (Mg,Fe)₂SiO₄.
<u>This silicate consists of two divalent cations, ferrous (Fe²⁺) and magnesium cation (Mg²⁺).</u>
Answer:
b. life and death, birth and rebirth
Explanation:
