Two approaches are:
Echo $$
Ps
A already assigned variable cannot be assigned twice You can make the variable change over to a new one or call a whole new one to assign one without a value or It might be possible to do v=n (v is variable and n is number / value)
Based on the definition which states it is an indicator of oxidation of an atom in a chemical compound. I believe the most viable answer is the charge of an atom's ion.
Answer:
Buyers can source products from anywhere in the world.
Your purchases are delivered to the location you specify.
Explanation:
E-commerce refers to the process of buying and selling goods and services through the internet or the virtual world. The economic and business transaction done through this process constitutes electronic commerce or e-commerce.
Two advantages for buyers are that the <u>buyer can source the goods and products from all over the world and also get them delivered at the location specified</u>. This allows for an easy and effortless transaction and also saves the buyer's time and energy. With things available at just a touch of an electronic screen, the buyer can get products from anywhere and get them delivered at his/ her doorstep or for that matter, anywhere he/she wished it delivered, with no extra effort from his side.
Thus, the correct answers are the third and fourth options.