How do the feathers of the bird keep it warm in cold weather?

The feathers of a bird keep the bird warm in cold weather as the bird's body heat warms the air between its feathers. The more trapped air, the warmer the bird will be. Their legs are kept warm as they stand on one leg whilst one is tucked up into the feathers of the birds stomach, keeping it warmer.

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graph question answered .. you think better when you are relaxed and happy

the order for strong to weak forces such as

strong nuclear force → electromegnetic force → weak nuclear force → gravitational force

the fundamental forces are those forces that act between to objects or element to make interactions. there are four types of fundamental forces such as strong and weak nuclear forces (due to protons and electrons), electromagnetic force (due to the motion of electrons) and gravitational force (due to orbital movement of the planet). if these forces are arranged on the basis of their maximum strength then the order is

strong nuclear force → electromegnetic force → weak nuclear force → gravitational force