3.
The roots of
plants absorbs the fixed nitrogen,
4.
The foot and mouth disease is caused by a
5.
Dough for making bread, cake and pastry is made soft and fluffy by adding

Answer :

Answer:

3. The roots of plants absorb the fixed nitrogen.

4. The foot and mouth disease is caused by a virus.

5. Dough for making bread, cake, and pastry is made soft and fluffy by adding yeast or baking powder.