Four different types of fibres are given to us. Out of these, two fibres (1 and 2) are obtained from plantsand other two (3 and 4) fibres are obtained from animals. Fibre (1) is used in
filling quilts and the yarn made of fibre (2) is used in making gunny bags. The yarn made
from fibre (3) is used for knitting sweaters and yarn of fibre (4) is used for weaving saries.
Name the four given fibres marked 1,2, 3 and 4.

6.4 cm (max) - 25 cm (min)

the answer is yes

it has kinetic energy

reason

an object has kinetic energy when you stop the force carrying it, the object will stay in motion.

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to improve her experimental investigation, dalila should add a row in which no fertilizer is used. by a having a contrasting row in which no fertilizer is used, she will have a control group that will her understand the effects of the fertilizer in the plant developments vs the development of the plant when no fertilizer is used.