What exercise? Post a picture of it.
Vascular tissue composed of xylem<span> (red) and </span>phloem<span> tissue (green, between the</span>xylem<span> and </span>cortex<span>) surrounds the pith. Collenchyma cells are elongated cells with unevenly-thickened walls . They provide structural support, mainly to the stem and leaves.</span>
When the population is large and dense.
Hope this helps:)
It's called the Promoter Region.
Answer:
It enters the atmosphere through both natural and human sources. Natural resources can be for instance volcanic eruptions, bacterial processes, evaporation from water, or decaying organisms. ... Sulfur dioxide may also react with water to produce sulfuric acid (H2SO4).
Explanation: