Because the surface of a leaf is smooth if the surface was rough the water would get stuck but it is smooth so the water just rolls off
The statement one support of the behavioral perspective is that it is backed by strong and extensive research is definitely true.
<h3>What do you mean by Behavioral perspective?</h3>
Behavioral perspective may be defined as the process of all acting throughout life as a result of some form of motivation or incentive.
The behavioral perspective always deals with the behavior of an individual with respect to any stimulus, which may be directly or indirectly associated with that individual.
Therefore, statement one support of the behavioral perspective is that it is backed by strong and extensive research is definitely true.
To learn more about the Behavioral perspective, refer to the link;
brainly.com/question/1351228
A.) water is polar, but lipids are nonpolar
<span>Pepsin is secreted in an inactive state, Pepsinogen, this is so that it doesn’t begin destroying the gastric gland(autodigestion). When it reaches the lumen it is activated by the hydrochloric acid. Cells in the wall secrete a mucus, which prevents it from eating away at the wall.</span>