<em>Answer:</em>
<em>neutral stimulus; unconditioned stimulus</em>
<em>Explanation:</em>
<em><u>Neutral stimulus and unconditioned stimulus</u></em><em> are two different parts involved in the </em><em><u>classical conditioning theory </u></em><em>that was developed by </em><em><u>Ivan Pavlov </u></em><em>who was considered as one of the greatest psychologists and behaviorists of his times while conducting his experiment on dogs.</em>
<em><u>A neutral stimulus</u></em><em> is described as a stimulus that doesn't produce any particular response except focusing on attention. Once the neutral stimulus gets connected with an unconditioned stimulus gives rise to a conditioned stimulus. </em>
<em><u>An unconditioned stimulus</u></em><em> is described as a stimulus that is responsible for triggering a particular response automatically, unconditionally, and naturally.</em>
With the help of explorer and sea captain, Vasco de Gama, Portugal set up a trading empire in the Indian Ocean. The Portuguese were motivated to find an alternate sea route to obtain the goods of Asia, instead of paying heavy sums to Italian merchants, who worked and sold these goods throughout the Mediterranean Sea before. Vasco de Gama made several trips to the area and helped develop the Portuguese Trading Empire in the region. His first trip lasted two years and started in 1497, he was to make several return trips.
<span>Point source: Any single identifiable source of pollution from which pollutants are discharged.
such as a pipe, ditch, ship or factory smokestack</span>
Answer:True
Explanation:
It is a property of base that they are slippery. Also when they react with oils on skin they form a soap-like substance which feels slippery on contact. Basically they react with acid molecules on skin which is called fatty acid.
Bases are harder to remove from the skin as compared to acids and can also give extensive damage to the skin.