Question

The smell of lighted incense stick spread several meters away.

This is because the incense stick is burnt to produce fragnance, which is also a gaseous matter. Hence, diffusion takes place in both air and the incense stick.

ii) A liquid has a fixed volume but not a fixed shape.

This is because it's water molecules are loosely packed and takes shape of the container in which is it poured.

iii) Ice floats over water.

This is because Ice is less denser than water, and this is due to it has cage like structures which makes it's density light, and hence lighter than water.

iv) A wooden table is called a solid at room temperature.

This is because at room temperature, the solid matter, table has no effect on the attraction forces on the molecules (IMFA) and hence, it is stable and fixed in it's shape, at room temoerature..​

Answer 1

If set A has m elements and set B has n elements, then there are 2^(mn) relations between A and B. Hence, there are 2^ (3*2) relations from set A to set B i.e. there are 2^(6) = 64 relations between A and B..

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Answer 2

Answer:

d is the correct answer

Step-by-step explanation: