Answer:
B. solar flares sunspots, solar flares prominences
Explanation:
Some features of the Sun's surface include sunspots, solar flares, and prominences
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Answer:
prevents pollution, reduces the need to harvest new raw materials, saves energy, reduce greenhouse gas
Since we know that
Gravitational potential energy = mass × height ×gravity
then
GPE = 1.5 kg x 0.500 m x 9.8m/s^2
therefore
GPE = 7.35 J
