Report Abuse. Honing out the cylinder is just taking the edge off if you will. your just cleaning it up abit. You shouldn't have to get a bigger piston. but what you might want to check is if that is the original piston or if it has been replaced.
A common cause of variegation is the masking of green pigment by other pigments, such as anthocyanins. This often extends to the whole leaf, causing it to be reddish or purplish. On some plants however, consistent zonal markings occur; such as on some clovers, bromeliads, certain Pelargonium and Oxalis species.
Investigation of the effects of environmental factors on the. rate of photosynthesis. The rate of photosynthesis of a photosynthetic plant is. affected by factors such as light quality, light intensity, carbon. dioxide concentration and temperature. A convenient way of investigating the effects of these factors. on the rate of photosynthesis is to measure the volume of. oxygen given off by a plant in a given time.