Cell division is represented in figure 10–3 by the letterquestion 6 options: d. b.a. c.

Explanation:

Cell division involves formation of two daughter cells from a single parent cell. The two main phases of cell division are interphase and M (mitosis). Interphase represents the longest phase of cell division, while mitosis is smallest phase of cell division.

Interphase which includes G1 phase, S phase, amd G2 phase, during which cell prepares itself to divide and replicates its genetic material. During mitosis, actual cell division (division of nucleus and cytoplasm) takes place to form two daughter cells.

Hence, letter A represents G1 phase, letter B represents S phase, letter C represents G2 phase, and letter D represents M phase (division phase).

Thus, the correct answer is option (D).

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explanation:

plate tectonics and volcanic euptions

over time, plate tectonic processes cause continents to move to different positions on the globe.

for example, britain was near to the equator 300 million years ago, and therefore was hotter than it is today. for further details look at our climate through time poster or online map.

the movement of the plates also causes volcanoes and mountains to form and these too can contribute to a change in climate.

mountain ranges formed by plate tectonics. large mountain chains can influence the circulation of air around the globe, and consequently influence the climate.   warm air might be deflected somewhere cooler by the mountains.