Question

Long answer question no.1. Solve fast I only want convention

Answer 1

Answer:

Conduction: The body should be in contact with difference in temperature.

Convection:The body should not be in contact

Both conduction and convection require matter to transfer heat. If there is a temperature difference between two systems heat will always find a way to transfer from the higher to lower system. CONDUCTION-- Conduction is the transfer of heat between substances that are in direct contact with each other.

next question

For example, rock is more dense than water because a given volume of rock has more mass than the same volume of water. When a liquid or gas is heated, the particles move faster and spread apart. As a result, the particles of the heated fluid occupy more space. The fluid's density decreases

Answer 2

Answer:

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conduction is the thing which transfers the heat from one place to another place

convention of the thing that is same as conduction which means which transfers the heat from one place to another place by the help of fluid moment this is called as convention