Typical page layout decisions include:
Size of page margins.
Size and position of images and figures.
Deciding on the number and size of columns and gutters (gaps between columns)
Placement of intentional whitespace.
Answer:
blue
Explanation:
becausse it's blue and it's water
To switch between windows, use the key combo Alt+tab to move forward between windows but use Alt+shift to move backwards. Use tab to move between each window you have.
Another way is to use the key combo windows key+tab but it doesn't seen to be used as often as its not "in rows".
Although blocking them might help, check to see if you have your phone number public if you do remove it, you may want to get your phone number changed.
Hope I could help you!
Ben :)