<span>Imported data that maintains a refreshable link to its external source is called Linked data.</span>
Answer:A 404 error is often returned when pages have been moved or deleted. ... 404 errors should not be confused with DNS errors, which appear when the given URL refers to a server name that does not exist. A 404 error indicates that the server itself was found, but that the server was not able to retrieve the requested page.
Explanation: Hope this helps
Answer:
developer tool
Explanation:
if you're using chrome click on the 3 dots that's in the top right corner and go to tools, you will see "developer tools" and click on that, then you will see an icon that shows a laptop/computer and an iphone click on that and you can even choose the type of phone you wish to see the view of (ex. iphone X), refresh the page and you will be able to see the direct message icon and you will be able to message your friend.
good luck.
A liquid-to-liquid heat exchanger uses a heat-transfer fluid that circulates through the solar collector, absorbs heat, and then flows through a heat exchanger to transfer its heat to water in a storage tank. Heat-transfer fluids, such as antifreeze, protect the solar collector from freezing in cold weather.
Answer:
There is an error in "String s=s1-s2 ";
Explanation:
In java programming, we can subtract subtract two strings variable with "-" operator.Java programming does not support an overload of the '-' operator.In java, we can use only "+" operator to append two strings variable.There is no such method to subtract strings in java.Therefore in the given code String s=s1-s2 will give an "bad operand type" error because we can not subtract one string variable from the second string variable.