In nondisjunction, if members of a pair of homologous chromosomes do not move apart during meiosis I or sister chromatids fail to separate during meiosis II, this means one gamete receives 2 of the same kind of chromosome and i<span>f either one of these abnormal gametes unites with a normal one at fertilization, the zygote will also have an abnormal number of particular chromosomes; which is known as an aneuploidy.</span>
Tornadoes are common in areas of flat plains because its in a region when cold air clashes with warm air. Also, tornadoes requires parent thunderstorm, which flat plain areas such as Oklahoma and Kansas have higher chances of having tornadoes.
Answer:
Atmosphere
Explanation:
carbon dioxide is naturally released into the atmosphere by the decay and flatulance of animals. But you extract fossil fuels from the ground and burn them. The burning of fossil fuels is called combustion.
