Answer:
C if you plug it into the sentance its the only one that makes sense
B because when erosion occurs through wind and water it takes away the topsoil for plants to grow.
Answer:
Normally, the iron group in myoglobin has an oxidation state of 2+. However, when oxygen binds to the iron, it gets oxidized to an oxidation state of 3+. This allows the oxygen that is binded to have a negative charge, which stabilizes it. Myoglobin's affinity for oxygen is higher than hemoglobin.
Answer:
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Explanation:
(sry i have no idea)
In general, yes, the dorsal blood vessel of a worm be seen from the worm's exterior because a worm's "skin" is very thin. Although of course there are exceptions.