OH- and H+ , and let's not forget H3O^+
The bear's usually travel alone, but will tolerate each other and travel in groups, you never see them in groups cause they are independent and can survive on their on, and mainly because they don't like sharing their food..:D
<span>microorganisms of different grous are not uniformly susceptible to chemical disinfection due to the level of resistance of the BACTERIA</span>
Answer:
haemoglobin
Explanation:
Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body