2) oxygen constantly diffuses from air or water into a animal's bloodstream. for this to happen, the concentration of oxygen in the blood must be
a. greater than the concentration of oxygen in the air or water.
b. greater than the concentration of carbon dioxide in the air or water.
c. lower than the concentration of oxygen in the air of water.
d. lower than the concentration of carbon dioxide in the air or water

Which organism actively hunts other

As soon as i live in alabama and i have question to me with a report. or rather a statement. the statement i need with: discuss the influence of cost and availability on your states (alabama) statistics. i really need to complete this. so anything will ! 20 points are up for grabs to the most !

Text version using the diagram above, match the description to the corresponding location in the carbon cycle model. provide the letter only. carbon dioxide is converted to sugar used for food. carbon trapped in fossil fuels is converted to carbon dioxide. organic carbon is converted to fossil fuels. carbon dioxide is converted to carbonates. sugar is broken down and converted to carbon dioxide. location location location location location