Sugar is a pure substance. It contains only sugar particles. A scoop of sugar made from Canadian sugar beets contains exactly the same kind of particles as a scoop of sugar made from Australian sugar cane. A mixture contains at least two different pure substances, or two different types of particles. pure The Particle Theory of Matter Table 1 cold Principle Illustration substance A substance B hot 2. 3. 4. All matter is made up of tiny particles. All particles of one substance are the same. Different substances are made of different particles.
Foot symptoms that may occur along with foot pain. Pain in the feet may accompany other symptoms affecting any of the structures of the foot including: Bleeding or bruising. Burning or tingling sensation (paresthesia). Difficulty moving the foot, ankle or toes. Joint pain. Numbness. Stiffness. Swelling (edema) of the foot or joints.
What is foot pain? Pain in the foot can arise from a number of different causes. Foot pain may develop as a result of conditions affecting any of the structures in the foot, including the skin, nerves, muscles, joints, tendons, bones, ligaments, blood vessels, and connective tissue. Trauma or injury is a common cause of foot pain.