The Answer is true my friend
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Fox are shown as secondary and tertiary consumers
The answer is Convergence of images behind the Retina
Convex lens converges light to a principal focus. The thickness of the lens determines the focal length (distance between the center of the lens and the principal focal point). Therefore, by evaluating the thickness of the convex lens, farsightedness, (an eye defect of convergence of images behind the retina) can be corrected by enabling images in the eye to form behind the retina.
Put it in a container of water. Then measure the volume of water before and after. The difference is the volume of the stone.
Variation of trainers HELP species.
