<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>
Prevailing winds are the planetary winds that are caused by the formation of giant convection cells over the earth. Prevailing winds blow from the hot regions of the earth, like the tropics, to the cold areas of the earth, like the temperate or polar regions, and from the cold areas back to the hotter regions.
<span>Magma that squeezes into a horizontal crack is called a sill. Magma that squeezes into a vertical crack is called a dike. Both are considered to be rock intrusions wherein magma seeps into the cracks of old sedimentary rock formations. The difference is that sills are tubular and horizontal in nature, while dikes are vertical in nature.</span>
The statement that compares timber and sunlight accurately is timber and sunlight are renewable resources.
<h3>What type of energy source are timber and sunlight?</h3>
Timber is a renewable source of energy because trees can be planted for the purpose of acquiring timber. This process can happen over and over again which makes it renewable.
Sunlight is also very abundant and will be around for millions of years which makes it renewable as well.
In conclusion, option B is correct.
Find out more on renewable resources at brainly.com/question/79953.
