In the troposphere, temperatures decrease with altitude (air pressure), which is known as the adiabatic lapse rate (9.8 Â°C per thousand feet). While there are different tempeâ¦ratures throughout the atmosphere, there are both increases and decreases in it as one moves upwards.
To easily shred romaine lettuce, stack several washed and dried leaves, roll up to form a cylinder and slice crosswise at 1/4- to 1/2-inch intervals. For best results, do not toss lettuce with dressing until just before serving as the dressing wilts the leaves.
1 Select lettuce by weight. 2  Look for green leaf and light in weight (the larger and lighter the better). 3  Cut lettuce in half and core. 4  Remove as much white and yellow leaves as possible. 5  You could lose about a fourth or third of your lettuce.