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plz give scientific explainations
Answers
Answer:
1.the convention heat is rising when you get nearer to the candle in addition to radiant heat.
2.digestion is the breakdown of food molecules into simpler parts so that the body can absorb it happens until the body absorbs it.
3,in photosynthesis water is released so you can use the method of transpiration to determine that leaves other than green can't make their food by photosynthesis.
4.the insects make cocoon which consist fibroin by collecting this fibre we get silk
Answer:
1. why do we feel more heat when we keep one hand above the candle flame then keeping on the side of the candle flame?
ANS: It gets warmer because the radiant heat did not have to travel as far. Now hold your hand over the candle and move it as close as you can. You can't because of the convection heat rising from the candle in addition to the radiant heat.
2. explain the process of digestion ?
Ans : Digestive Processes. 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.
3. how can you determine that the leaves other than green can make their own food by photosynthesis?
Ans : The Green Leaves contain chlorophyll through which can they make their own food the leaves other than green cannot make their own food because they do not contain chlorophyll.
4. state the process of making silk.
Ans : Silk is a natural protein fiber, some forms of which can be woven into textiles. The protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons.
Explanation:
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