How can you work unsupervised give examples?"
Depending on the child's age, it's probably not illegal, just irresponsible.
caution global warmng at work
we ca use chemical energy in our daily lives to help us in our daily work
No can do
Examples are Na+, K+, Mg+, Ca+, Cl-.
workin out ur change to give u the right change work out ur income + outcome
NaOH KOH Ca(OH)2
no , not required
in CA
No
14.with a work permit
No