Question

Q1. Why do you fill more heat when we keep our hand above candle flame than keeping on the side of the candle flame?
Q2. Explain process of digestion of human.​

Answer 1

Answer:

• 1 This is because when candle burns heat is released from it in the form of gases, and it is the property of hot gases that they move upward as hotter air is lighter that cold air that's why it moves upward and we feel more heat when our hands are kept above the candle flame then in side.
• 1 This is because when candle burns heat is released from it in the form of gases, and it is the property of hot gases that they move upward as hotter air is lighter that cold air that's why it moves upward and we feel more heat when our hands are kept above the candle flame then in side.2.The processes of digestion include six activities: ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and defecation. The first of these processes, ingestion, refers to the entry of food into the alimentary canal through the mouth.