The measure of randomness or disorder in a system is known as

The right option is; entropy

The measure of randomness or disorder in a system is known as entropy

Entropy is the property of the system and it is also often regarded to be the measure of molecular randomness or disorder in a closed but changing system. The higher the entropy of a system, the higher the disorder and the higher the unavailability of the system's energy to perform useful work.

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.

after a the power stroke, adp is released, but the cross-bridge formed is still in place. atp then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site.