Question

What is the role of saliva in the digestion of food? What are the necessary conditions for autotroph​

Answer 1

Answer:

The role of saliva in the digestion of food are, It moistens the food for easy swallowing. It contains a digestive enzyme called salivary amylase, which breaks down starch into sugar. Lubricates and moistens food, thus aiding in swallowing

Answer 2

Answer:

Saliva is 98% water, so it moistens the mouth and helps compact food into softened particles for easier swallowing.

Carbon dioxide, water, chlorophyll pigment, and sunlight are the necessary conditions required for autotrophic nutrition.