agriculture is thecultivation of land and breeding of animals and plants to provide food, fiber,medicinal plantsand other products to sustain and enhance life.
<h2>This is not beautiful</h2><h3>The picture in attachment is beautiful...</h3>
<u>Answer:</u>
<em>Anytime observations need to be clarified. When an unusual condition need to be shown for later reference.</em>
<u>Explanation:</u>
Instead of just recording the data the is sometimes important to be sketched out as the data observed is needed to be clarified and also sometimes there is an unusual condition that occurs and hence, it is important to sketch it so that it can be used for later reference.
<em>Therefore, when we are aware of the situation we need not sketch the data.</em>
Speaking from experience, the answer is not D.
