The answer is letter a. Social Capital. Social capital refers to the social networks and the reciprocal norms associated with these networks that encourages people to do things for each other.
B. New substances are formed. In a chemical reaction, the starting molecule must be changed or turn into another. For example: rusts that form in a tin can is a chemical reaction. The iron in the can combines with the oxygen in the atmosphere, creating rust (iron oxide), which is a different substance.
<span>Low Level Clouds: CUMULUS: Fair weather cumulus clouds form when a parcel of air rises and water vapor condenses into water droplets. ...Middle Level Clouds: ALTOSTRATUS: ...High Level Clouds: CIRRUS: ...<span>Nimbus Clouds: NIMBOSTRATUS:</span></span>
