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1 A9 Pead aloud
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a) Isaac Newton
b) Hans Christian Oersted
c) Amphere
II. Name the following.
12x6=3
1. This layer of soil is a storehouse of minerals.
2. The property of soil that shows how fast water seeps through the particles of soil.
3. Number of breaths per minute.
4. The openings through which we inhale.
5. The safety device based on the heating effect of electric current.
6. An appliance that convert electrical energy into light energy.
III. Define the following.
1. Heating effect of electric current
2. Soil profile
1x3=3
3. Respiration
2x3=6
IV. Differentiate the following.
1. Aerobic and anaerobic respiration with equation
2. Horizon A and Horizon C
3. Clayey soil and sandy soil
1x4=4
V. Answer the following in one or two sentences.
1. Nichrome is used as heating element in heating devices. Why?
2. List any two properties of soil.
3. Why are yeasts used to produce wine and alcohol?
4. What would happen if you go on adding water to a plant?
2x3 = 6
VI. Answer the following.
1. What do you mean by electromagnet? Write any two applications of it.
2. Draw a neat labeled diagram of
a) Human respiratory system
b) Analesuri boll
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ENG
20-01
12-12-2020​

Answer 1

Answer:

try u write ur ques clearly