1.

She has her property to fall back _________ in her old age​

Answer»

Explanation:

∅ _ᵗʰⁱˢ ᵐᵉˢˢᵃᵍᵉ ᶜᵃⁿ'ᵗ ᵇᵉ ᵛⁱᵉʷᵉᵈ ᵇᵉᶜᵃᵘˢᵉ ʸᵒᵘ ᵃʳᵉ A noob

An electroscope is an early scientific instrument USED to DETECT the presence of electric charge on a body. It detects charge by the movement of a test OBJECT DUE to the Coulomb electrostatic force on it. The amount of charge on an object is PROPORTIONAL to its voltage. 



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