The dominant and recessive pair, A
<span>2/Blood flows at an average speed of 0.40 m/s in a horizontal artery of radius 1.0 cm. The average pressure is 1.4 × 104N/m2 above atmospheric pressure (the gauge pressure).</span>
1) By human exhaling, cow exhaling, burning fires, horse exhaling, and sheep exhaling.
2) Decomposers reintroduce carbon into the environment.
3) Humans add carbon dioxide into the environment by burning fossil fuels.
They clean the animals because, the oil will harm them otherwise. Meaning if the oil stay s on them long enough, it can harm them dramatically; In ways in which it may cause death.
Because some decompose and are gone forever.