Answer:
fluid-filled cavity
Explanation:
Rhynchocoel is a fluid-filled tubular cavity present in the organisms of the phylum Nemertea. This cavity lies above the intestines of these organisms in the lower body.
Nemertea is a phylum composed of worms that can be found in shallow water.
These worms have already been classified as a branch of the Flatworms (such as Planarians), with which they are often confused. But recent embryological and molecular evidence points to a phylogenetic relationship with mollusks and annelids. They remind the Flatworms to be non-segmented flat worms. But unlike these, they have a complete bowel with mouth and anus, and a closed vascular system. The article on Planarians can be accessed here.
"The environmental change that occurs faster is definitely volcanic eruption. It may happen in an instant and destroy everything in its way, whereas the process of regrowth of forest after volcanic eruption is a slow one."
Link:
brainly.com/question/8822127?exp=25-1
Tillage can release pollutants in the soil and increase erosion by the acceleration of the soil and wind speed.
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How doesTillage can increase erosion ?</h3>
Tillage can split soil structure, pace the decomposition and lack of natural matter, boom the hazard of erosion, break the habitat of useful organisms and reason compaction.
Each of those capability effects negatively effect soil fine. A soil's overall performance is immediately associated with a soil's fine or health. Since tillage breaks the soil, it disrupts soil structure, accelerating floor runoff and soil erosion. Tillage additionally reduces crop residue, which assist cushion the pressure of pounding raindrops.
Read more about the fertilizer
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D. Fold mountain that appeared wavy I think but just in case check an other answer