Question

bread and cakes are light and fluffy why?​

Answer 1

Answer:

because it has air, inside it,

Answer 2

Answer:

Because bread and cakes are prepared using yeast, these yeast ferments the sugar present in the dough into CO2.

Explanation:

The CO2 gas released from the yeast gets filled in the dough and increases its volume.

Once, the bread is baked, the heat causes the bubbles to break and makes the bread light and fluffy.