Q.2. Write the following question:
[a] Answer the following question one or two sentence.
1) Write uses of hoe.
2) Write two name of single celled microorganisms.
3) Write two uses of nylon fibers.
4) Give the name of four non-metals. Which are in solid form.
5) Which are the two types of natural resources?
6) What is the calorific value of biogas?
Answers
Answer:
1) A hoe is used to till or rake the land for farming
2) Amoeba, Flagella
3) Nylon fibres don't break easily and are useful in mountain climbing and yacht equipment. They also don't 'breathe' like cotton, hence keeping the wearer of the fabric warm.
4) Wood, Plastic, Glass, Carbon Fiber
5) Exhaustible natural resources and non-exhaustible natural resources
6) 40 kJ/ms (theres another unit but i cant remember that one sorry)
Mark as brainliest, hope I helped!
Explanation:
Answers:
1) hoe is used to remove weeds, clear soil, and harvest root crops.
2) Amoeba and bacteria.
3)Nylon is a popular fibre with useful applications in making shorts, swimwear, track pants, bedspread, draperies, and many more. It is also used in technical textiles for making products such as flak vests, combat uniforms, parachutes etc.
4)Boron (B), Carbon (C), Silicon (Si), Phosphorus (P).
5) Renewable and non-renewable are the two types of natural resources.
6) A cubic metre of biogas has on average a methane content of about 55% and therefore a calorific value of about 5.5 kWh.