The answer is By arguing that plants must have several signs
Hoods become necessary any time water temperatures drop below: 20°C/68°F.
<h3>Why is it necessary to use
Hoods any time
water temperatures drop below:
20°C/68°F?</h3>
It is important to use hood so as to adjust the cold temperature, so as to be able to gain heat.
Therefore, hood serves as a covering for the head as well as the neck which has a opening face that prevent cold.
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1) Physical; It is a natural occurring change
2) Chemical; This change requires non natural method in order to occur
8) Physical; Iron is bound to rust in effect of weather erosion
23) Physical; Salt and water naturally separate
