Que es experimentación​

Can someone work out the answer as it comes up in one of my computer science exams and i don't understand the cryptovariables

Colby works as a shipping clerk for a major package delivery service. some of his daily tasks include tracking shipments and entering orders. which aspect of the information technology cluster would he most likely be trained in? a.networkingb.databasesc.hardwared.software

Why is body language an important factor in a business meeting