C. <span>eukaryotic cells contain organelles that are enclosed in membranes.</span>
Answer:
Unconditioned stimulus.
Explanation:
Classical conditioning may be defined as a type of learning procedure in which the biological procedure is used to pair up with the previous nerve stimulus. This stimulus result in the response of an individual.
The Pavlov experiment with the dog explains the process of classical conditioning. The ringing of bell (conditioned stimulus) is paired with unconditioned stimulus (meat presentation).
Thus, the meat presentation is unconditioned stimulus.
Planets like, mercury, venus earth: they are in the increasing order of there masses. however this chain breaks at mars.
Planets like, jupiter, saturn, uranus, neptune are arranged in decreasing order of there masses.
<u>R</u><u>e</u><u>a</u><u>l</u><u>l</u><u>y</u><u> </u><u>d</u><u>o</u><u>n</u><u>'</u><u>t</u><u> </u><u>k</u><u>n</u><u>o</u><u>w</u><u> </u><u>that</u><u> </u><u>my</u><u> </u><u>explanation</u><u> </u><u>e</u><u>v</u><u>e</u><u>n</u><u> </u><u>a</u><u>n</u><u>y</u><u> </u><u>s</u><u>e</u><u>n</u><u>s</u><u>e</u><u> </u><u>b</u><u>u</u><u>t</u><u> </u><u>h</u><u>a</u><u>v</u><u>e</u><u> </u><u>j</u><u>u</u><u>s</u><u>t</u><u> </u><u>t</u><u>r</u><u>i</u><u>e</u><u>d</u><u>.</u>
I think it would be crust