After receiving a reward for escaping the puzzle box, the cats a. appeared to enjoy the box more b. escaped more slowly c. gradually learned to escape more quickly d. increased the length of time in the box

Option (C) is the correct answer.

Explanation:

Once the cats escaped from the puzzle box, then in their conscious mind they tend to develop the image of path through which they had escaped.

So, form next time onward they tend to move more quickly because they already know the path through which they had to escape.

Hence, we can conclude that after receiving a reward for escaping the puzzle box, the cats gradually learned to escape more quickly.

i would have a lunch. it's one big package of food, making it one food. : p

answer: the correct option is d. enzyme

lactase and carbonic anhydrase are the examples of enzymes.

lactase is an enzyme, which is present in the small intestine of mammals. it in the digestion of the disaccharide, lactose ( milk sugar) by converting it into two monosachharide, which are glucose and galactose.

carbonic anhydrase is present in the red blood cells. this enzyme plays significant role in the transport of co₂. it in the conversion of co₂ and h₂o into carbonic acid, which is then dissociated into bicarbonate ions and hydrogen ions.