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If the hypothesis states that surface area affects evaporation what should be changed?यदि परिकल्पना है कि सतह का क्षेत्रफल वाष्पीकरण को प्रभावित करता है तो क्या बदला जाएगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Exposed surface area of the liquidद्रव का खुला सतह क्षेत्रफल
The exposed surface area is the independent variable that is deliberately changed. In exams identify the causal variable in the hypothesis.खुला सतह क्षेत्रफल स्वतंत्र चर होगा जिसे जानबूझकर बदला जाएगा। परीक्षा में परिकल्पना के कारण वाले चर को पहचानें।
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