Answer:
you could use styrofoam for the planets and the sun and paint them, for rings around planets you could use pipe cleaners and use a styrofoam bottom and have sticks to secure the planets
Explanation:
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Platelets are essential for the clotting process that occurs<span> in plasma when blood ..... a blood transmitted virus that depresses the </span>immune system<span> and causes </span>AIDS<span>. .... However, if an Rh- person receives Rh+ blood, the </span>immune system<span> becomes ... the clumped red blood cells begin to rupture or are </span>destroyed<span> by phagocytes,</span>