In onlooker play a child actively observes other children playing and does not attempt to enter into the activity; the child is interested only in observation and not in participation. In parallel play children play independently among other children. In pretend play children act out any event of daily life and practice the roles and identities as established in their surroundings. In associative play children play together and are engaged in a similar or identical activity.
<span>If at the end of the chromatography process there is an observation that the solution is bright green, the most likely explanation is the presence of Chlorophyll a.</span>
