The correct answer is D. The ancient Romans built many stone arch bridges that still survive today.
Here in this sentence it shows who built the arch bridges which are still surviving even today.
Answer:Uploading is the process of putting web pages, images and files onto a web server. Downloading is the process of getting web pages, images and files from a web server. To make a file visible to everyone on the internet, you will need to upload it.
Explanation:
I want to say it's B, that's the only one I can think that's relevant to the research
An action that started in the past i think atleast
