Science, asked by debendraadhikari482, 1 month ago

B. Answer in one - two sentence:
(8) Which zone of a flame does a goldsmith use for melting gold and silver?
(9) Which gas is necessary for the combustion of a substance?
(10) What is ignition temperature?
(11) What is Red Data Book?
(12) What is a cork used by Robert Hooke?
(13) How is sound produced?
(14) How is zygote formed?​

Answers

Answered by PABANI
1

Answer:

8. outermost zone of the flame a goldsmith used for melting gold and silver.

9. oxygen is necessary for the combustion of a substance.

10. The ignition temperature of a substance is the least temperature at which the substance starts combustion.

11. Red Data Book of the Russian Federation, also known as Red Book or Russian Red Data Book is a state document established for documenting rare and endangered species of animals, plants and fungi.

12. the light but tough material that is the outer layer of bark of a tree ( cork oak ) and is used especially for stoppers and insulation.

Answered by abdulrashidshaikh502
0

Answer:

o lord you are in the Ashok Kumar and Sonakshi Sinha aksay Kumar

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