It's D.diploid
<span>in the life cycle of plants with alternating generations) the asexual and usually diploid phase, producing spores from which the gametophyte arises. It is the dominant form in vascular plants, e.g., the frond of a fern.</span>
Water is the body's most indispensable nutrient. Indispensable means the most essential, in this case, it's water.
<span>Air masses rise and sink due to the fact that warm air is lighter than cold air , thus warm air rises and cold air then sinks. When air masses rise, gaseous molecules are transported into the atmosphere which negatively impacts the ozone layer.</span>