Answer:
four oxygen molecules
Explanation:
The hemoglobin molecule has four binding sites for oxygen molecules: the iron atoms in the four heme groups. Thus, each Hb tetramer can bind four oxygen molecules.
Poaching by hunters are a growing threat to animals.
Poaching has been defined as the illegal hunting or capturing of wild animals, usually associated with land use rights.
Ice caps form because high-latitude regions receive less energy in the form of solar radiation from the Sun than equatorial regions, resulting in lower surface temperatures.
# eazy
Symptoms usually appear 30–60 minutes after eating toxic shellfish and includenumbness and tingling of the face, lips, tongue, arms, and legs. There may beheadache, nausea, vomiting, and diarrhea.
