I guess I correct. Can anyone just tell me if I am correct?
Hazardous substances are dangerous substances while toxins are poisonous substances. Hazardous substances may cause harm to an individuals health; they include acute toxins such as cyanide; substances harmful after repeated or prolonged exposure such as mercury and silica, among others. Toxic substances can be poisonous or cause health effects.
The prokaryotic cells that built stromatollites are classified as <span>cyanobacteria.</span>
Your answer would be <span>A/half red and half white. Hope this helps.</span>
Answer:
This happens because your body needs iron to make a protein called hemoglobin, which is found in red blood cells. Hemoglobin helps carry oxygen around the body. When your body doesn't have enough hemoglobin, less oxygen reaches your tissues and muscles, depriving them of energy.
