Answer:
network has led to exposure of dirty things to young ones.
air transport has led to losing of lives
Explanation:
A class is called an object factory because objects are created from a class. An object is an instance of a class.
Answer:
BCC ( blind carbon copy)
Explanation:
Blind carbon copy is an email feature that helps the sender to send email to multiple recipients without revealing the email addresses of other recipients.
Abstract classes cannot be instantiated.
<span>An abstract class <span>is a class from which you cannot create objects. </span>Inheritance is when an object or class is based on another object (prototypal inheritance) or class (class-based inheritance), using the same implementation.</span>