It is "B. Cleaning a countertop with a sponge and
<span> rinsing it out to reuse" that represents and example of conservation. Re-using items is better than throwing them away if possible. </span>
Chloroplasts are green pigment used in the process of photosynthesis found in leaves.
Leucoplasts are colourless and are the storehouse of minerals and other nutrients found in the roots of plants.
