I think all of the above...
because I know they built aqueducts and sewers, so since 2 of they are correct, then all 3 must be.
Answer: I think Negative?
Explanation:
A simple example is a connection between the circulatory and respiratory systems. <span>As </span>blood<span> circulates through your body, it eventually needs fresh oxygen </span><span>from the air. When the </span>blood<span> reaches the lungs, part of the </span>respiratory system<span>, the </span>blood<span> is re-oxygenated.</span>
Answer:
enzymes
Explanation:
enzymes are catalyst to any process
Continue to look for the class characteristics because it helps their case in the courtroom and shows how everything links to the other eveident peices
