Answer: Subduction happens and one plate moves below the other. Magma seeps up along plate boundaries and forms mountains.
Explanation:
The negative impacts of radiation on a country's economy may include :
- Increased rate of mortality
- Destruction of food crops and cattles
- Environmental contamination
- Long term health complications
Radiation has proven to be very useful in medicine, power, defense and other sectors if adequately deployed. However, it's negative impact can also be overwhelming.
Some of the negative impacts of radiation include :
- Radiation could cause death thousand to millions of people within minutes. Such could result from bomb attacks or release of toxic nuclear substances into the environment.
- The effect of radiation does not only pose risk to life, it could also lead to destruction of crops and cattles. Causing famine and unquantifiable losses.
- Nuclear radiation may be so deadly that it renders several Radius or perimeter of an environment inhabitable. Such is the situation of Hiroshima and Nagasaki.
- Nuclear radiation often poses the risk of terminal diseases such as cancer upon exposure .
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The correct answer is - cyanobacteria.
The atmospheric oxygen came from the cyanobacteria. These were one of the earliest living organisms on Earth. The cyanobacteria was using photosynthesis in order to create its own food. The photosynthesis process requires sunlight, carbon dioxide, water, and oxygen. The oxygen is mostly released as a waste product from the process of photosynthesis, thus the cyanobacteria were literally releasing oxygen that was ending up into the atmosphere. As more and more cyanobacteria there were across the planet, more and more oxygen they were releasing into the atmosphere, slowly changing the composition of the atmosphere, and setting the basis of it as we know it now.
Answer:
Pioneers moved west through a desire to make their fortune through the farming of previously unfarmed lands – too many people it was regarded as an extremely exciting opportunity, a chance of a new life. -The attraction of cattle farming encouraged people to move out west.
