The Grand Canyon is a Canyon that exist where an ancient river once flowed. The hydrosphere (all of water on earths surface.) Slowly eroded away at the rock of the grand canyon until a Canyon was formed this water evaporated into the atmosphere then percerpertated back down creating a cycle that ended with the formation of the grand canyon.
A protist that is a heterotroph and has chlorophyll.
Cylinder Formulas in terms of r and h:<span><span>Calculate volume of a cylinder: V = πr2h.</span>Calculate the lateral surface area of a cylinder (just the curved outside)**: L = 2πrh.Calculate the top and bottom surface area of a cylinder (2 circles): T = B = πr. ...Total surface area of a closed cylinder is:</span>
The respiratory system works with the digestive and circulatory systems to make cellular respiration possible. During cellular respiration, your cells use oxygen and glucose to release energy. Carbon dioxide is a waste product of the process. Carbon dioxide must be removed from cells.
Info from: Google lolz.
According to the Doppler effect, the sound of a police car siren is louder and high pitched as it approaches the observer.