Http://www.biocab.org/Carbon_Dioxide_CO2.html
It is the presence of oxygen-bound hemoglobin that makes it bright red
<span>dirty, contaminated, </span><span>polluted, unclean, </span><span>unsanitary, <span>unsterile.</span></span>
Answer:
Carbohydrates are sugars. Nucleic acids are the building blocks for DNA and RNA.
Explanation: