Why do knuckles crack when you bend them

The noise of cracking or popping in our joints is actually nitrogen bubbles bursting in our synovial fluid

Explanation:

It is because synovial fluid lubricates your joints like motor oil in a car's engine, reducing friction and preserving our cartilage.

PLS MARK BRAINLIEST :D

good thing- during decomposition the organic molecules in organic matter are broken down into simpler organic molecules that require further decomposition or into mineralised nutrients

bad thing- it can be harmful in crop productivity

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a