The answer is D. Temperature is the measure of the average kinetic energy of all the particles in an object. Within a given substance, a temperature increase means that the particles on average, are moving at greater speeds, or have greater kinetic energy.
The hypothesis....thats the answer
Answer: He told Healthline that the main factors driving the rise in heart disease are obesity and type 2 diabetes, but the real underlying culprits are moving less and stressing more. “What we aren't doing enough is getting up and out, spending quality time with loved ones daily, and smelling the roses,” Miller said.
Explanation: hope this helps :)
A microscope was nessecary to observe cells.