Muscle tissues signaling muscle tissues to contract.
The climate<span> of </span>Africa<span> is a range of </span>climates<span> such as the equatorial </span>climate<span>, the tropical wet and dry </span>climate<span>, the tropical monsoon </span>climate<span>, the semi-desert </span><span>climate</span>
The atoms and molecules in gases are much more spread out than in solids or liquids. They vibrate and move freely at high speeds. A gas will fill any container, but if the container is not sealed, the gas will escape. Gas can be compressed much more easily than a liquid or solid.