Answer:
As you know the on going situation we are in, barcodes can be really useful for an example using them to check into a building that way when there is a infected person it is a really esay process to track down people that have been in that area.
Answer:
Explanation:
demo.java Shapes 2 Shapes Polymorphism Create a set of classes derived from an abstract class Shape, which provides a common interface, for managing various 2D geometric shapes. In our model, each Java object will represent a shape somewhere in a Cartesian coordinate system. However, note that unlike in Mathematics, the positive y-axis grows down from the origin. Shapes All shapes have the following properties: color, area, perimeter, location, and bounds. Shapes are mutable, for example any shape can be moved.
Answer:
age=int(input("Enter age"))
if age>=18:
print("You are Young")
else
print("You are child")
Explanation:
if you have any query or any problem kindly ask in comment
Answer: true
Explanation: yes water is constantly in motion
