Answer:
75 g
Explanation:
1 half life = 600/2 = 300g
2 half life = 300/2 = 150g
3 half life = 150/2 = 75g
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1) <span>flows of hot plasma in the convection zone
2) dark spots that appear sometimes because of </span><span>concentrations of magnetic field flux
3) "</span><span>a brief eruption of intense high-energy radiation from the sun's surface"
4) gas extended out from the corona but is attached to the sun and can reach great distances
5) large area in cocrona which is less dense and has cooler temperature they occur when "</span><span>the Sun's magnetic field is open to interplanetary space"</span>
