<span>the heart must do work to overcome frictional forces that resist the blood flow. From my calculations, the average blood pressure is 1.3×10^4 n/m2 </span>
Do u have snap bc there’s a gc where we help each other with work if u need it
Copepods primary producer, phytoplankton secondary consumer, herring tertiary consumer, sea lion quaternary consumer, and the killer whale is the primary consumer.
All plants take in carbon dioxide(CO) and use<span> the carbon to </span>build carbohydrates<span> during photosynthesis, and a</span>ll organisms require nitrogen to make amino acids(proteins), which in turn are used to build<span> proteins. </span>Nitrogen<span> gas (N2) makes up 78 percent of Earth's atmosphere.</span>