A person who acts may be called an actor or an actress. A person who acts on behalf of another is an agent.
Creditworthiness
Synergy is the term for the ability of muscles to be slightly contracted at all times to be ready to act. Most of the muscles are usually in this form.
Cognitive impairment is the term that best describes the loss of mental ability to understand sensory stimuli.
That property of the substance is its "malleability".
That ability is known as elasticity.
Citizen responder describes a layperson who recognizes an emergency and decides to act.
ambidextrous
Elasticity describes the ability of a solid to return to its original shape after being deformed or stretched.
No
malleability
The term that describes the ability of a material to oppose the flow of electric current is resistance. It is measured in ohms and is influenced by the material's properties like conductivity and temperature.
Visual acuity is the term that describes the ability to distinguish object details and shape at a distance. It is commonly measured using a Snellen chart during an eye exam.