I believe that substance would be water.
Soil scientists use the capital letters O, A, B, C, and E to identify the master soil horizons<span>, and lowercase letters for distinctions of these horizons. Most soils have three major horizons: the surface horizon (A), the subsoil (B), and the substratum (C). Some soils have an organic horizon (O) on the surface, but such a horizon can also be buried. The master horizon, E, is used for subsurface horizons that have a significant loss of minerals (eluviation). Hard bedrock, which is not soil, uses the letter R.</span>
I believe the answer is A. decomposition ans parasitism
Plant cells have a cell wall. They also have a larger water vacuole.
Answer:
carotid
brachial
radial
femoral
popliteal
dorsalis pedis
Explanation:
These are all places where your pulse can be taken.
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- Heather