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If the earth is truly spherical, why do we not feel like we are standing upside down or sideways on the earth? i need answers please.? Ayuda me sale error al intentar subir una foto a mi pregunta :((? Naphthalene sublimation rate=3*10^-5/min. Volume of room=60m^3. How would I calculate the naphthalene concentration in the air of the room? ~ x + y + z = 3, x² + y² + z² = 5, x³ + y³ + z³ = 7 ➪ x⁴ + y⁴ + z⁴ = ? Find integers x and y such that 57x+79y=17, and 400