Answer:
Diffusion is driven by differences in concentration. When chemical substances such as perfume are let loose in a room, their particles mix with the particles of air. Diffusion in gases is quick because the particles in a gas move quickly. It happens even faster in hot gases because the particles of gas move faster.
A force called the effort force is applied at one point on the lever in order to move an object, known as the resistance force, located at some other point on the lever
Answer:
B. Adding more protons to a positively charged body until the number of protons matches the number of electrons.
Explanation:
