-Mendel discovered that true breeding of Tall plants (T for dominant) are crossed with true bred short plants (t for recessive).The next generation of plants are known as F1 and are tall plants (T)
-he showed that self-pollinated first generation (F1) plants produce an F2 generation with 75% of tall plants (T) and 25% short (t)
A. because when we humans are burning maybe our refuse or garbage it will go up to the ozone layer causing air and then it will then result to carbon dioxide.
