<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>
Long-term health effects from air pollution include heart disease, lung cancer, and respiratory diseases
Short-term air pollution can aggravate the medical conditions of individuals with asthma and emphysema.
questioned answered by
(jacemorris04)
The answer is b because I just took my test and got it right so good luck
The answer is D. Ecosystems experience change through human activity and natural events
Answer:
modiji he is indian present
