A, as the seeds fall off in faraway lands.
This jet stream—the one that forms at the polar front—affects weather in the United States. ... This shift occurs because the entire hemisphere is cooler, so the boundary between the cold polar air and the warm southern air shifts south. As a result, the jet stream shifts toward the south in winter.
Explanation:
Therefore, people move away to low density areas to have more space. Hence to decrease the urban sprawl creating a green belt will be a feasible option.
Had to look for the options and here is my answer. Based on the given experimentation above regarding some genetically identical mice, you would conclude that the two mutant strains of mice would most likely possess mutations in "<span>the same gene, but not necessarily the same DNA base position". Hope this answers your question.</span>
Answer
C) Viruses need a host to survive