How to call mayday from a marine vessel
Listen to the radio frequency.
If it is clear that the coast guard or other sea rescue agency has not responded after a single repetition and a two-minute wait, you must seek to contact the coast guard or other sea rescue agency on behalf of the distressed vessel.
Say :
Mayday relay, mayday relay, mayday relay.

This is the [" your vessel and callsign "]. The following distress call was received from [" distressed vessel's name "].

How to get your friend to stop copying you
Talk in private.
Pull your friend to the side and away from the earshot of others to have this talk. You don't want to risk embarrassing them or having your business aired out to everyone.

Ask them to meet you after school or call them at a time you're both free. Say " hey sarah, do you have a few minutes to talk after school? I was thinking we could get ice cream.

How to christmas shop for toddlers
Set your budget.
You love your children and all, but you aren't going to spend a thousand dollars on a present for a 3-year-old. Pick a nice, simple limit that will make sure you don't spend too much.

Ask the parents what the kid likes. Find out if they really like one thing nowadays, something that they obsess about, something silly, like dora ®️ or hello kitty ®️.

How to extract your dna
Create a mouth rinse.
To extract your dna from saliva, you'll need to create a mouth rinse first. You'll be mixing salt into water, because salt provides a rough, granular texture to help collect cells from your mouth.
It also helps protect the negative phosphate ends of your dna, allowing it to precipitate out of the saliva. Mix one tablespoon of salt into 500 milliliters of clean drinking water.