21. Duplicating a layer merges all of the layers and discards anything that is not visible. True or False
True
False

A911 dispatcher is the sole sender of messages to all police officers. while on patrol, officers communicate with the dispatcher who, in turn, relays messages to other officers. the officers do not communicate directly with one another. this illustrates a network.

Which factor is the most important when choosing a website host? whether customers will make secure transactions the number of email accounts provided the purpose of the website the quality of the host control panel

In excel - calculate the actual increase/decrease from first quarter to the second quarter then subtract subtract first quarter value from second quarter total then divide result by first quarter value