Answer:
eye contact with the audience, thorough research, you must give your audience time to ask questions
Normally you can't. You cannot tell if water has been frozen and then thawed.
Answer:
<h3>
False </h3>
Explanation:
Vertical application software it the software which if build as per the specific requirements for achieving specific processes and functions which are unique to a user or business. These softwares are customised as per the needs of an organisation or enterprise. these applications are useful for organisations operating in marketing, sales, inventory etc but cannot be used by other businesses. They are built to target specific users. ERP(Enterprise Resource Planning ) and CRM (Customer Relationship Management ) are examples of vertical applications.