Megan wanted to make some calcium chloride (cacl2) for an experiment. she knew that for every 40g of calcium there would be 71 g of chlorine. megan only used 20 g of calcium. calculate how much chlorine would be in the compound.

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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