Question

Q9. In a car, radiator and fans are used to cool the engine. The heat
transfer mode involved are
Q10. At what stage in their lifecycle do silk moths spin silk?
a. Larva
b. Pupa
c. Egg
d. Caterpillar​

Answer 1

Answer:

Pupa

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Explanation:

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Answer 2

Answer:

9) So, the heat transfer mode are involved in Convection.

10) Pupa stage,

In the pupa stage, a weave is netted around by the silkworm to hold itself. After that it swings its head, spinning a fibre made of a protein and becomes a silk fibre. Several caterpillars form a protective layer around pupa and this covering is known as the cocoon.

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