Answer:
Henoch-Schönlein purpura.
Explanation:
Henoch-Schönlein purpura may be defined as the medical condition of the inflammation of the IgA antibodies in the blood vessels. This condition causes purpuric rash.
This disease mainly occurs on the lower extremities of the body and can show reddish purple patches. This might also cause vasculature and leads to the cramping in the abdominal area of the body. The stool guaiac test is positive in this condition.
Thus, the correct answer is option (C).
<span>The correct answer is A. atoms. Atoms are studied by physics and chemistry, not by ecology. Ecology studies organisms, populations, and the earth in terms of climate, pollution prevention, natural habitats and biomes, and all kinds of similar things that are related to living on earth. Atoms are irrelevant for the study of ecology.</span>
Answer:scyphozoa
Explanation:cniderians are aquatic animals.they have radial symmetry, that is they can be divided into two halves through any plane.
Cniderians may have nematocyst,which are stinging cells.
They have two forms,which are polyp and Medusa .
There are four classes of cniderians;hydrozoa, scyphozoa,cubozoa and anthozoa.
Scyphozoa are predominantly medusa,which is umbrella shaped.they are jelly fishes.
They have four or eight oral arms.
They possess four gonads and four gastric pouches .an example is the Aurelia.
It makes photosynthesis<span> more efficient.</span>
The answer is true because walking does not affect the environment
