Definition of rappel for English Language Learners : to move down a steep cliff, rock, etc., by pushing your feet against its surface and sliding down a rope RAPPEL Defined for Kids
How much water you need to drink to get the most benefits depends on your diet, exercise routine, health and weather. You can start by aiming for the basic recommended amount for adults, which is 8 to 12 cups a day, according to Clemson Cooperative Extension, and making adjustments as needed.
There are various opinions on how much water we supposed to drink a day but The health authorities commonly recommend eight 8-ounce glasses, which equals about 2 liters, or half a gallon. No.1 water app reminds you to drink water every day and tracks your water drinking habits.