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jessica increases the temperature of a block of ice by 20. which interger represents the amount by which jessica must change the temperature for the block of ice to return to its starting temperature. ANSWERS= A= -40 B= -20 C= 20 D= 40

Respuesta :

nataliparcher

Answer:

C

Step-by-step explanation:

it says she increased it by 20, so if you take away the same amount that she added then it should be at the same number she started at