Biology, 22.09.2020 01:01, shorty1619

Ms. Snyder's students were studying living things and energy. They emptied a package of yeast into a cup of warm water Next they added 5 grams of sugar. After 15 minutes, the students noticed bubbles
forming on the surface of the water. Using a dropper, they put a sample of the liquid on a glass slide and
looked at the sample with a microscope. The yeast cells were growing and reproducing. The bubbles
were a by-product of the yeast using the sugar for energy
What were the bubbles made of?
A Water
OB Oxygen
OC Hydrogen
SD Carbon dioxide

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