What are the three mechanisms by which chromatin remodelers can move nucleosomes?

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.

yes it is weird but true

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs