The answer should be B - Nitrogen Dioxide.
4 Movement of less dense material
3 Heating of cooler material
1 cooling of warmer material
2 movement of denser material
Answer:
Tendons connect the skeletal system to the muscular system by attaching muscle to bone. When muscle contracts, the tendon acts on the bone, causing movement. Joints, the point at which two or more bones connect, can be fixed, slightly movable, or freely movable.
Answer:
mixture of atoms forms molecule