Sort the following words to complete the sentences in the paragraph below. dna wraps around special proteins called which form loops of dna called these coil and stack together to form fibers called this in turn forms larger loops and coils to form word bank: nucleosomes; chromatin; histones; chromosomes

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

i think that d. wind is the answer.   i missed the question when i answered a. currents.