Here is a way to remember the three essentials of survival
SHELTER – provides protection against bad weather.
WATER – thirst leads to exhaustion faster than hunger.
FOOD – hunger is slow to kill, but lowers your spirits.
If you have those you can Survive Without Fear. Working out the temperature in Celsius When you are watching the weather forecast, the following rhyme reminds you of what the numbers in Celsius mean:
30 is hot, 20 is nice, 10 is cold, 0 is ice!