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A student put a half teaspoon of yeast in each of three

different balloons. Then he added a quarter cup of water to each balloon. Each balloon received water of a different temperature: hot, warm, and cold. After adding the water, the student tied off the end of each balloon to seal it shut. The yeast began to produce bubbles of gas inside the balloons. After 20 minutes, the student measured the circumference of each balloon to determine how much it had grown in size.

What is the responding variable in this experiment?

Respuesta :

Answer:

Did you get the answer right yet I need help on that guestion to

Explanation:

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s253185

Answer: I have the same question!

The choices are

A. The temperature of the water balloon

B. The amount of water placed in the balloon

C. The circumference of the balloon

D. The amount of yeast placed in the balloon

I think its D

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