The graph shown includes the number of sunspots observed through 2014 and predicts future sunspot activity through 2019. Based on this graph, which of the following would be expected to occur between 2016 and 2019? A.
There would be a general increase in the ultraviolet radiation experienced by Earth.
B.
The amount of ultraviolet radiation experienced by Earth would not change.
C.
The Earth would stop experiencing ultraviolet radiation during this period.
D.
There would be a general decrease in the ultraviolet radiation experienced by Ea

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Explanation:

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volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.