The Giant Mayfly is a subspecies of Mayfly, common in the Eastern United States. This insect is mostly common in the summer months. It is one of the largest types of Mayfly you will ever see. They lay their eggs in the water.
Snipping Tool can be used only as a screen shot, or snip, of any object you see on your screen. So, snipping tool cannot scroll. You might have to scroll down the screen and then use the tool.
The Snipping tool is used to take a screenshot of whatever is on your computers screen. Many people will use the print screen button and then copies it into paint or Adobe photoshop. This will get the job done, however, it is a lot of unnecessary.