[Q]: Objective: How to mark all emails as read on gmail
[A]: On the main screen, find the button that has 3 small circles, lined up vertically. Click that, and then click "Mark all as read"

[Q]: Objective: To cut a metal rod into two, equally sized smaller pieces, you can
[A]: Use a metal cutting bit on a rotary tool to cut the rod in half

[Q]: Objective: To make a headlight less cloudy, you can
[A]: Rub sandpaper all over the headlight until it's see through again

[Q]: Objective: What flour would I need for butter cookies?
[A]:
You need 155 grams of plain flour and 55 grams of corn flour.